the d.i.d brandsprockets, take the following maintenance precautions: do not use an offset link for...

1

The D.I.D Brand

Known for i ts Durabi l i ty and Dependabi l i ty in Design. An

established technical innovator in the world chain drive market,

serving a broad spectrum of industries with quality products for

over 60 years. That is D.I.D. Our technology turns timely ideas into

productive realities. D.I.D a professional partnership you can count on for

your optimum drive system solutions.

I N T R O D U C T I O N

2

Before handling chains and sprockets, please understand the respective structures and specifications correctly, and read the

following cautions for safely using them.

For safe work

Always wear clothes suitable for work and proper

protection (safety glasses, safety shoes, etc.).

In addition to site workers, other people near the

work site are also required to be careful.

Strictly observe Section 1 “General Standards”

(prevention of danger by prime movers,

revolution shafts, etc.), Chapter 1, Part 2 of

Occupational Safety and Health Regulations.

For working, keep things in order in and around

the work site.

Before installation, be sure to switch off the

power.

Before installing, removing, lubricating or

otherwise servicing a chain and sprockets, be

sure the main electric power switch and all

secondary power switches of the equipment are

turned off. Also, take precaution to ensure that

power will not be switched on accidentally.

Furthermore, exercise care to prevent clothing or

any part of the body from being caught by a

chain, sprocket or other part during work.

When any lifting apparatus is used, never stand

beneath it.

Cautions for handling of chains and sprockets

2. Chain installation

For handling, follow the instructions in this

catalog and in the instruction manual. Select

layout, install, adjust and maintain chain and

sprockets in the way that is recommended to

ensure a high-performance installation.

When connecting a chain, employ an installation

method suitable for the type of connecting link.

For the layout, installation, adjustment and

maintenance, observe both recommended

equipment instructions and cautions.

Do not partially replace a chain.

Do not partially exchange a worn or damaged

chain and sprockets. Replacing only the worn

or damaged part does not restore overall

strength, and risks further breaking or

destruction. Always replace the entire chain and

sprockets.

Do not modify chains or sprockets.

Most of the components of a chain are heat-

treated. If they are modified, strength is

diminished and breaking or destruction can

result.

Electroplating assembled chains could cause

hydrogen embrittlement.

Welding should not be performed on any chain or

component.

Annealing can lower the performance of products

and components, and may result in destruction.

(1) Before installation, please read the previous

section (1).

(2) Use connecting links and offset links as

described below.

When installing a connecting link or offset link,

confirm its construction. (P.11 ~ 13)

For installing the spring clip on the

connecting link, refer to the method

illustrated below.

Connection

For installing a cotter pin on the connecting

link, refer to the method illustrated below.

For installing a spring pin, refer to the method illus-

trated below. Spring pins are used for interference-

fitted connecting links used in K, KS, HK, and HKS

series (P.30, P.31~39, P.40~P.42).

For installing a T- pin or S-pin, refer to the

method illustrated below.

For installing a one-pitch offset link, refer to

the installation method for the cotter type

connecting link, and for installing a two-pitch

offset link, refer to the installation method of

the connecting link used.

For other special types of connecting links,

please consult us.

1. Handling of chains and sprockets

Warning

Chain clip installation method

Driving Direction

Head of clip

Driving Direction

Cotter pin installation method

Only use DID cotter pins.

Spring pin installation method for

HI-PWR-S series

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Adjustment

Lubrication

Washing

(3) For rated operation of a chain, install and

adjust it correctly.

(4) After installing a chain and sprockets, confirm

the following before switching on the power:

Is the connecting link correctly and securely

connected?

Is the chain engaged with the teeth of the

sprockets?

Is the amount of lubrication correct?

Is anything likely to cause interference or be

scattered?

Is the safety cover correctly installed?

Is there anything interfering with the safety

cover?

Whether or not there is anything interfering with

the chain.

If there is anything abnormal about the

connecting link portion, etc. and whether the

respective components of the chain are

flawed, rusty or abnormal in any other way.

Do not stand in the rotation direction of the

chain.

(5) If any abnormal sound is generated after

switching on the power, switch off the power

and re-confirm.

(1) Lubrication(See P. 75 & 76.)

Except for some chains made of special materials

or elements, most chain life can be prolonged

with lubrication. Without lubrication, chain life can

be shortened, significantly. (For example: chain

elongation, corrosion and stiff joint due to wear

of some chain parts.)

(2)Washing

If a chain is used with a material such as sand

or metallic powder, the promotion of wear, stiff

joint, etc, will be caused, shortening life. Wash

away such harmful materials.

For washing, dip the chain into kerosene, dry,

and sufficiently lubricate. However, in the case

of O-ring chain, since the O - ring may be

deteriorated by kerosene, do not dip it for

more than 10 minutes.

For washing, do not use an acid, alkali,

gasoline or highly volatile solvent detrimental

to the chain and sprockets. For an O- ring

chain, do not use a wire brush.

(3)Chain and sprockets are consumable products.

The wear of the chain and sprockets causes

the chain to sag. Periodically check the sag,

and adjust to achieve the optimum tension.

If a chain and sprockets show any rust or

harmful flaw in appearance, or if the elongation

of a chain or the wear of a sprocket becomes

critical, replace them immediately.

Do not attempt to modify any component.

When assembling, for example, never drill a

hole on a connecting plate to make it larger

and never file a pin to make it thinner because

it will inhibit inserting the pin into the connecting

plate.

Do not rework damaged chains.

Do not re-use a clip and do not install a used

cotter or connecting link or any other

disassembled component of a chain.

Adjustment

• Install a safety cover.

For the apparatus with a chain and sprockets

installed, be sure to install a safety cover. Any

unexpected fracture may cause the chain to be

thrown from the sprockets. In addition to a

sufficient protector, install a stopping device

such as an overload limit switch or brake so as

not to cause an overload.

• Check for chain interference.

Any obstacle which interferes with a driven

chain and sprockets is dangerous and

shortens the life of the chain and sprockets.

Always check for any interfering objects and

remove them.

3. MaintenanceTo prevent any serious accident caused by a chain and

sprockets, and to prolong the life of the chain and

sprockets, take the following maintenance precautions:

Do not use an offset link for lifting.

Excessive use of oil will cause scattering, etc.

Wipe off extra oil so as to prevent it from

scattering.

For washing, do not use gasoline or highly

volatile solvent. Furthermore, do not allow any

material containing an acid or alkali to come into

contact with it.

4. Others

Even chains of the same kind and size have a

different service life, depending on the service

environment, number of teeth on the sprockets,

lubrication and other conditions. This also applies to

the life of sprockets. Chain and sprockets are different

in wear life. If a new chain is used on an old sprocket

with worn teeth, a non-conforming condition or rupture

of the chain may occur.

When a chain or sprocket must be replaced,

replace both the chain and sprockets.

If anything remains unclear, please consult us.

Warning

Avoidance of danger

Confirmation

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Cautions for using roller chain for lifting

Based on the “Chain Safety (Technical) Standard” and “End Fittings” proposed by Japanese Association of Chain Manufacturers

to Japanese Sky Parking Areas Association and Japanese Association of Sky Parking Machine Manufacturers in February and

October, 1993, the cautions necessary for using roller chain (hereinafter called chain) for lifting are stated below.

1. Safety factor

The “Mechaincal Parking Area Technical Standard” sets the

safety factors of ropes and chains as “5 for system A”, “7 for

system B” and “10 for system C”.

However, if a chain is used at a safety factor of 5 in system

A, the acting tension of the chain generally exceeds the

maximum allowable tension of the chain. That is, repeated

use causes the chain to rupture due to fatigue. Therefore,

when a safety factor of 5 for system A is adopted,

periodically exchange the chain under strict life control.

2. Selection of chain

2-1 Maximum tensionThe maximum tension allowed to act on a chain is set at not

higher than the value obtained by dividing the minimum

tensile strength of the chain by a safety factor. However, be

sure to examine the setting methods recommended by us,

and adopt a safe method.

The maximum tension corresponds to the “corrected chain

tension” and refers to a tension with especially dynamic load

due to start, stop, etc. considered in addition to the offset

load by a motor vehicle (difference in weight between front

and rear wheels, horizontal shift of the motor vehicle in

reference to a pallet, offset load due to the chain lifting

position, etc.)

2-2 Connecting link of chainStandard connecting links have pins clearance-fitted in the

connecting plate holes.

The connecting link is lower in fatigue strength than the base

chain. When higher fatigue strength is necessary, use connecting

links with the pins interference-fitted in the connecting plate holes.

In this case do not use any offset link. As for the types of connecting

links, see P.10~P.12.

The connection between a chain and an end fitting

(hereinafter called a fitting) is the section likely to cause

problems. For safety purposes, take the following matters

into account when you design.

3-1 General cautions(1) If the dimensional difference between the inner width of

an outer link of a chain and the width of a fitting, the

dimensional difference between the pin diameter and the

fitting hole are too large, a large bending stress acts to

dramatically lower the pin strength.

Refer to “3-3 Dimensions of fitting” in your design.

3-2 Material of fitting and heat treatment

(1) Hardened fitting

The fitting is generally hardened and tempered.

Thoroughly examine the size and material hardness of the

fitting, and select a material which ensures a sufficient

hardness.

a. In general, a material which ensures the required hardness is selected from tough hardening steels (SCM435, SCM440, etc.) and medium carbon steel.

b. Harden the fitting, and temper at a high temperature, avoiding the temper brittleness range, to a hardness of about HRC30 to 45.

c. In the case of a threaded fitting, keep the hardness at not higher than HRC40, to lower the susceptibility of the threaded portion to delayed fracture.

Select the size of the threaded portion to achieve a tensile strength not lower than the tensile strength of the chain.

(2) If the fitting hole suffers “wear” or “roll over” at its ends

during use, the strength of the pin greatly declines as in

the case of (1). Periodically check, and if “wear” or “roll

over” is found in the fitting hole, exchange the fitting.

(3) Rust or corrosion is a major reason for decreased

strength. During use, take rust preventive actions such as

periodically applying grease.

(4) If a partial load, lateral load or torsional load acts on a

chain, the strength of the chain declines. To prevent it,

exercise sufficient care in the horizontal fitting of the

hole, installation accuracy of fitting, etc.

3. Connection between a chain and an end fitting

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Dimensions of general hardened fittings for standard roller chain are listed below. For the fittings of more than triple strands chain and fittings of other shapes, please consult us. When designing an end fitting for any chain other than standard roller chain, work out a safe design based on sufficient understanding of this section. If there is anything unclear, please consult us.

3-3 Dimensions of fitting

Note: The dimensions of D’ can be applied only when DID bushings are used. If these dimensions are applied to the bushings for chain

produced by other manufacturers, the strength may be lowered.

Dimensions of End fitting Unit (inch)

End fitting for single strand chain End fitting for double strand chain

Figure shows bushing press-fitted.

Chain No.(Without Bushing) (With Bushing) (Referrence) (Referrence) (Referrence)

g S D D C r u H

RC60-1 — 0.701 0.236 0.331 .— 0.362 .— 0.713

RC60-2 0.205 1.591 .— .— 0.898 0.362 0.374

RC80-1 — 0.890 0.314 0.444 .— 0.480 .— 0.953

RC80-2 0.268 2.039 .— .— 1.154 0.480 0.500

RC100-1 — 1.083 0.377 0.530 .— 0.598 .— 1.189

RC100-2 0.335 2.484 .— .— 1.409 0.598 0.622

RC120-1 1.398 0.439 0.616 .— 0.717 .— 1.425

RC120-2 0.398 3.177 .— .— 1.787 0.717 0.748

RC140-1 — 1.465 0.502 0.706 .— 0.835 .— 1.665

RC140-2 0.472 3.378 .— .— 1.925 0.835 0.874

RC160-1 — 1.780 0.564 0.746 .— 0.953 .— 1.902

RC160-2 0.535 4.071 .— .— 2.303 0.953 1.000

(2) Non-hardened fittingIf the fitting is used without being hardened and tempered, the following must be considered.

a. Since the fitting hole is likely to suffer “wear” or “roll over” during use, press a hard bushing into the fitting hole.

b. Since the strength of the fitting is lower that that of a hardened and tempered fitting, adequate strength must be secured by a adopting corresponding dimensions.

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2-4 Environment Resistant Chain Series . 52p

2-4-1 Selection of Environment Resistant Chain Series ...........52p

2-4-2 Rustless Chain (N) ................................................53p

2-4-3 Hi-Guard (E) / Double Guard (WE) Chain......................54p

2-4-4 Low Temperature Chain (TK)....................................54p

2-4-5 Stainless Steel Chain (SS, SSLT) ..............................55p

2-5 Low Noise Chain Series .....................56p

2-5-1 DID Super Low Noise Chain (SLN) and Maximum Horsepower Ratings ......................................................................56p

3. DID Specialty Chain

....................................................59p

...............................................60p

.......................................................61p

.................................63p

4. Design of Roller Chain Transmission

4-1 How to Select the Proper Chain ................................64p

4-2 Chain Length and Sprocket Center Distance .................68p

4-3 Layout ..............................................................69p

5. Installation, Adjustment & Maintenance

5-1 Installation .........................................................70p

5-2 Maintenance .......................................................73p

5-3 Lubrication .........................................................75p

5-4 Troubleshooting ...................................................77p

5-5 Timing for Replacement .........................................80p

Roller Chain & Double Pitch Chain for

Conveyor Applications

1. Outline of DID Small Chain for Conveyor Applications

1-1 Variation of Base Chain .......................................82p

1-2 Ultimate Life Chain Series and Environment Resistant Chain Series ....................................................82p

1-3 How to Order a Small Chain for Conveyor Applications ... 83p

DID’s Quality Assurance System

Approved by ISO 9000 and API

Caution: For Your Safety

Operation of DID Products ................ 2p

Roller Chain for Transmission

1. Outline of DID Chain for Transmission

1-1 Classification ......................................................9p

1-2 Construction and Components of Chain ......................10p

1-3 How to Order Transmission Roller Chain .....................11p

2. DID General Application Chain

2-1 Dimensions and Performance of DID General Application Chain .................................12p

2-1-1 Variation for General Application Chain and Connecting Links, Offset Links .................................12p

2-1-2 ANSI Standard Roller Chain and Maximum Horsepower Ratings .................................13p

Heavy Type Roller Chain ........................................28p

A Type Double Pitch Roller Chain ..............................28p

2-2 Ultimate Power Chain Series ...........29p

2-2-1 K-Series Roller Chain ............................................29p

2-2-2 KS Series Roller Chain & Maximum Horsepower Ratings .30p

2-2-3 HK Series Roller Chain ..........................................39p

2-2-4 HKS Series Roller Chain .........................................41p

2-3 Ultimate Life Chain Series ................42p

2-3-1 Selection of Ultimate Life Chain Series .......................43p

2-3-2 V Grease Series ...................................................44p

2-3-3 DHA Chain .........................................................45p

2-3-4 O-Ring/X-Ring Chain (LLDR/LDR)..............................47p

2-3-5 Sintered Bushing Roller Chain (UR, URF) and Maximum Horsepower Ratings .................................49p

I

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7

2. Double Pitch Chain

2-1 Double Pitch Chain and Dimensions...........................84p

2-2 Ultimate Life Chain and Environment Resistant Chain Series of Double Pitch Chain .............86p

3. Standard Attachments

3-1 Standard Roller Chain Attachments ...........................88p

3-2 Based on Standard Chain ........................................89p

3-3 Based on O-Ring Chain............................92p

3-4 Based on Sintered Bushing Roller Chain .......94p

3-5 Based on Stainless Steel Chain ..................96p

4. DID Chain for Free Flow Conveyors

4-1 List of Chain for Free Flow Conveyors .........................98p

4-2 Top Roller Chain ..................................................99p

4-2-1 Single Pitch Top Roller Chain ...................................99p

4-2-2 Double Pitch Top Roller Chain ..................................101p

4-2-3 Overturn Prevention Type Chain ................................102p

4-3 Side Roller Chain .................................................103p

4-3-1 Single Pitch Side Roller Chain .................................103p

4-3-2 Double Pitch Side Roller Chain.................................103p

4-3-3 Meandering Prevention Type Chain ............................103p

4-4 Free Flow Chain with Brake .....................................104p

4-4-1 Top Roller Chain with Brake ....................................104p

4-4-2 Side Roller Chain with Brake ...................................104p

5. Other Chain for Conveyor Systems

5-1 Hollow Pin Chain .................................................105p

5-2 Flexible Chain .....................................................106p

5-3 Straight Side Bar Roller Chain..................................107p

6. Engineering Information

6-1 Calculation of Chain Tension....................................108p

6-2 Strength of Loaded Components ...............................111p

Appendix

..............112p

...........................................................113p

For Engineering Information See Web Site www.daidocorp.com

Please visit

www.daidocorp.com

For up to date information.

4th 8th 16th 32nd 64th Inch MM

1/64 .016 .397

1/32 .031 .794

3/64 .047 1.191

1/16 .063 1.588

5/64 .078 1.984

3/32 .094

7/64 .109 2.788

1/8 .125 3.175

9/64 .141 8.572

5/32 .156 8.969

11/64 .172 4.366

3/16 .188 4.762

13/64 .203 5.159

7/32 .219 5.556

15/64 .234 5.953

1/4 .250 6.350

17/64 .266 6.747

9/32 .281 7.144

19/64 .297 7.541

5/16 .313 7.938

21/64 .328 8.334

11/32 .344 8.731

23/64 .359 9.128

3/8 .375 9.525

25/64 .391 9.922

13/32 .406 10.319

27/64 .422 10.716

7/16 .439 11.112

29/64 .453 11.509

15/32 .469 11.906

31/64 .484 12.303

1/2 .500 12.700

4th 8th 16th 32nd 64th Inch MM

33/64 .516 13.097

17/32 .531 13.494

35/64 .547 13.891

9/16 .563 14.288

37/64 .578 14.684

19/32 .594 15.081

39/64 .609 15.478

5/8 .625 15.875

41/64 .641 15.272

21/32 .656 16.669

43/64 .672 17.066

11/16 .688 17.462

45/64 .703 17.859

23/32 .719 18.256

47/64 .734 18.653

1/4 .750 19.050

49/64 .766 19.447

25/32 .781 19.844

51/64 .797 20.241

13/16 .812 7.938

53/64 .828 21.034

27/32 .844 21.431

55/64 .859 21.828

7/8 .875 22.225

57/64 .891 22.622

29/32 .906 23.019

59/64 .922 23.416

15/16 .938 23.812

61/64 .953 24.209

31/32 .969 24.606

63/64 .984 25.003

1/2 1.000 25.400

FRACTION/DECIMAL/METRIC CONVERSION CHART

8

Roller Chain for Transmission

8

D.I.D NEW TECH CHAIN SERIES

D.I.D ULTIMATE POWER SOLUTION SERIESAchieves up to 25% higher tensile strength and 50%

higher Fatique Strength than standard roller chain.

D.I.D ULTIMATE LIFE CHAIN SERIESAchieves up to 25% higher tensile strength and 50%

higher Fatique Strength than standard roller chain.

D.I.D ENVIRONMENT RESISTANT CHAIN SERIESStainless steel and unique coatings for any

corrosive environment.

D.I.D SUPER LOW NOISEIncredibly quiet. Reduces noise up to 10db.

MURTFELDT CHAIN GUIDES & TENSIONERSUtilize chain’s maximum potential and minimize the

downtime for maintenance.

DAIDO CORPORATION OF AMERICAWarehouse and Service Department.

9

Cha

in fo

r Gen

eral

App

licat

ion

1. Outline of DID Power Transmission Chain

1-1 Classification

DID products for transmission can be classified into “General

application chain”, “Specialty chain”, “chain-related products”

and “sprockets”.

The “General application chain”, with their sprockets in

conformity with ANSI, are used in a wide range of areas for

various applications. They are provided as “Ultimate life chain

series”, “Environment resistant chain series” and “Low noise

chain series” to suit respective applications. So, you can select

chain for a lubrication rejecting condition, highly corrosive

environment, silence demanded environment, etc. The “Specialty

chain” include a variety of chain such as “Bicycle chain”, “Small

pitch chain” mainly used for office machines and “Engine

mechanism chain”,

“Silent chain” known for silent operation, “Motorcycle chain”,

known for silent operation, “Motorcycle chain”, and “Agricultural

chain”. Furthermore, “Leaf chain” for lifting heavy things and

quite different from roller chain in form, “BS type roller chain”

of British standard, and in addition, “chain related products”

such as “roller chain couplings”, “chain lube” and “chain wear-

elongation check gage” are also available. As for “sprockets”,

those with a hub on one side only, are kept in stock. Our chain

technology has grown in areas of motorcycles and motor

vehicles, and abundantly accumulated know how supports the

”General application chain” and “Specialty chain” and can rapidly

respond to demand for various applications.

Cla

ssifi

ed b

y st

reng

thC

lass

ified

by

spec

ifica

tion

Standard Chain Series

SLN Chain

Sp

roc

ke

t

Chain Wear-elongation Check Gage

Standard Roller Chain

Ultimate Life Chain Series

Solid Bushing Chain

DHA Chain

O-Ring Chain

Sintered Bushing Roller Chain

Environment Resistance

Low Noise Chain

Cha

in R

elat

ed P

rodu

cts

Roller Chain Coupling

Chain Lube

K & KS Type Roller Chain

HK Type Roller Chain

HKS Type Roller Chain

Sp

ec

ialt

y C

ha

in

Bicycle Chain

Engine Mechanism Chain

Silent Chain

Motorcycle Chain

Agricultural Chain

Leaf Chain

British Standard Roller Chain

Small Pitch Chain

Rustless (Nickel Plated) Chain

Hi-Guard / Double Guard Chain

TK Chain

Stainless Steel Chain

Ultimate Power Chain Series

Classification

TR

AN

SM

ISS

ION

RO

LL

ER

CH

AIN

10

TR

AN

SM

ISS

ION

RO

LL

ER

CH

AIN

Cotter Pin

Outer plate

Connecting plate

Roll (Spring) pin

Spring pin type connecting pin

Ro

ll P

in t

ype

con

nec

tin

g li

nk

1-2 Construction and Components of Chain

A roller chain has a structure as illustrated below, and the names of the components are stated in the drawing. These components

act as described below, and are designed to suit the respective actions.

Pins support all the load acting on the chain, together with inner and outer plates, and when the chain is engaged with a sprocket,

the pins slide as bearings. They are required to be high in shearing strength and bending strength, and especially wear resistance.

Bushings act to prevent the shock received through rollers, when the chain is engaged with a sprocket, from being directly transmitted to

pins, and also act as bearings, along with the pins. So, they are required to be high in shock fatigue strength and wear resistance.

Rollers act to smoothly bend the chain when the chain is engaged with a sprocket, to protect the chain from shock

with the sprocket. They are required to be high in shock fatigue strength, collapse strength and wear resistance.

Plates are subject to repeated tension of the chain, and sometimes a large shock. So, they are required to be high in

tensile strength, and also in shock resistance and fatigue strength.

Connecting linksThe following four types of connecting links are available.

Offset linkAn offset link is used for increasing or decreasing the length of

a chain by one pitch, the following two types are available:

Since the “connecting link” and “offset link” are lower than

the base chain in strength, any service condition in excess of

the maximum Horsepower rating is subject to consulting with us.

* Clearance fit (slip fit)In this fit, when a pin and a hole are combined, it has clearance

between them, since the diameter of the hole is slightly larger than

the pin diameter. This method is used in standard connecting links.

* Interference fit (press or semi-press fit)In this fit, when a pin and a hole are combined, an interference occurs

always, since the diameter of the hole is slightly smaller than the pin

diameter. This method is adopted; in chain such as Ultimate Power

Series that require greater fatigue strength than standard chain.

Co

mp

on

en

ts

Pla

te R

oller

Bus

hing

P

in

Inner plate

Bushing

Roller

Inner plate

Inner link

Inner link

Outer link (rivet type)

RP

Outer link (cotter type)

CP

Riveting

Outer plate

Pin

Outer plate

Simplex outer link

Multiplex outer link (in the case of duplex)

Outer plate

Outer plate

Pin

Intermediate plate

Outer plate

Cotter Pin type connecting link is available in clearance fit (slip fit)

and interference fit (semi-press fit) types.

Roll Pin type connecting link is interference fit (semi-press fit)

type connecting link for heavy duty chain series (Ultimate Power

Series) roller chain such as KS, HK and HKS type roller chain (P.30

Connecting plate

Spring clip

Spring clip type connecting pin

Sp

rin

g C

lip t

ype

con

nec

tin

g li

nk

Spring Clip type connecting link is available in clearance fit (slip fit) and

interference fit (semi-press fit) types.

Outer plate

Connecting plate

Cotter pin

Cotter type connecting pin

Co

tter

Pin

typ

e co

nn

ecti

ng

lin

k

offset plateOffset pin

Cotter pin

One-pitch offset link (HL)

offset plate

Two-pitch offset link (2PHL)

11

RC 60 LLDR 160 J E

RC 80 C 121

HL 60

[Type indication]

Roller Chain

Type of Chain

Chain Length

End Type

A connecting link is packed sepa-

rately with the chain.

Endless with a connecting

link already installed.

A connecting link is attached to

one end.

When you order RC80C x 121 links including 3 offset link (HL) and 1 cotter type connecting link

Chain No.

Size

Roller Chain

Indication of End Type (connecting link)

PS

JE

ATOE

...

...

1-3 How to Order Transmission Roller Chain

When you order RC60LLDR X 160 links endless with standard connecting

Size Type of Chain

incl. 3HL and 1CL

Chain Length

(links)

Description

C: Cotter Pin Type

R: Rivet Pin TypePlease provide descriptions for special arrangement.

e.g. Clip / Cotter / PL (pin link or R)

Cotter CL 80Type of Connecting LinkConnecting Link Size

Type of Connecting Link

No indication: Daido Standard

• Clip type slip fit connecting link for #60 and smaller.

• Cotter type slip fit connecting link for #80 and larger

• Semi press fit type is our standard connecting link

for Ultimate Power Series chain (P30 - P42)

When you order for cotter type slip fit connecting link for RC80

When you order for half link (offset link) for RC60

• 2 pitch offset link is also available.

• 2 pitch offset link is standard for RC25 (P13) and O-Ring chain (P48).

Offset (Half) Link Size

...

BERL

Clearance fit : RInterterence fit : FClearance fit : CInterterence fit : H

Some are inapplicable, depending onthe chain size. See the table on P13.

Spring clip type

Cotter type}

No connecting link to be included. Both Ends

Roller Link. Please provide descriptions for

special arrangement.

...

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12

ANSI Standard Roller Chain (100%)

Chain Size Connecting link Offset link Chain Size Connecting link Offset link Chain Size Connecting link Offset link Chain Size Connecting link Offset link

KS Series Roller Chain (approx. 130%)

HK Series Roller Chain (ap-prox. 110%)

HKS Series Roller Chain (ap-prox. 150%)

2. DID General Application Chain

2-1 Dimensions and performance of DID general application chain

DID general application chain can be classified, in reference

to strength, into standard series of JIS roller chain and HK

series in conformity with ANSI. The inner and outer plates of

an HK chain are equal in thickness, to those of a standard

chain which is larger than the former by one size.

The standard series include two lines; standard roller chain,

and K & KS type chain improved in fatigue strength and

shock resistance compared to the standard roller chain. You

can use them as basic transmission chain for all applications

ranging from low speed to high speed.

The HK series are improved in the strength of plates to allow

heavy duty transmission mainly in a low speed range, and

include two lines; HK type roller chain and HKS type

roller chain further enhanced in fatigue strength.

SprocketsThe chain can be engaged with standard sprockets of the

corresponding nominal numbers.

Number of chain strands andmethod for connecting outer plateswith pinsThe numbers of strands which can be manufactured are as

listed below.

The standard method for connecting pins and plates is rivet

type.

Standard chain and HK type chains of RC80 or larger can

also be manufactured as cotter type.

KS type chains and HKS type chains have manufactured as

rivet type only.

Connecting links and Offset linksFor connecting links and offset links, see the following table

showing kinds of general application, chain, connecting links

and offset links.

This section describes general application chain only. However

since many kinds of engine mechanism chain and agricultural

roller chain are also available. Please see the sections describing

the respective items.

2-1-1 Variation for General Application Chain and Connecting Links, Offset Links

Classification(Max. allowable

load ratio)

Standard

Connecting Links

Max. Strands Available

RC25 Slip Fit/Clip 2p-Offset Link RC25H Slip Fit/Clip 2p-Offset Link

RC35 Slip Fit/Clip 2p-Offset Link RC35HK Slip Fit/Clip

RC41 Slip Fit/Clip Offset Link

RC40 Slip Fit/Clip Offset Link RC40HK Slip Fit/Clip

RC50 Slip Fit/Clip Offset Link RC50HK Semi Press/Clip Offset Link

RC60 Slip Fit/Clip Offset Link RC60HK Semi Press/Clip Offset Link

RC80 Slip Fit/Cotter Offset Link RC80KS Simi Press/Roll Pin RC80HK Semi Press/Roll Pin Offset Link RC80HKS Semi Press/Roll Pin





RC180 Slip Fit/Cotter Offset Link RC180KS Simi Press/Roll Pin RC180HK Semi Press/Roll Pin RC180HKS Semi Press/Roll Pin



NA

NA

NA

NA

NA

NA

NA

NA

5 (single strand only for RC41) 3Single Strand only for RC60HK and

under / 3 for RC80HK and over3

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Clip Type

(RC60 & Smaller)Cotter Type

(RC60 & Larger)

Offset Link

except for

RC25 & RC35

2P Offset

Link

Plate

lbs lbs lbs lbs

2-1-2 Standard Roller Chain and Maximum Horsepower Ratings

The DID standard roller chains are available in 14 sizes ranging

from RC25 to RC240. All are in conformity with JIS (Japanese

Industrial Standards) and ANSI (American National Standard

Institute) standards.

Cautions for use

1.For chain selection, see “Tables of maximum horsepower ratings

for standard roller chains” (P.14~ 27) and “Designing of roller

chain transmission”.

2. Standard roller chains up to quintuplex can be manufactured.

For their dimensions, see the pages referring to the maximum

horsepower ratings.

3. The connecting links are generally Clip Type or Cotter Type

connecting links in which the pins are clearance-fitted with the

connecting plate. Since clearance-fit links are inferior to the base

chain in maximum allowable load as in the case of one pitch offset

Pitch

DID ANSI

RollerLink

WidthP W D d E F G L f g C T H

Pin Trans-versePich

Chain No. Roller(Bush)Dia.

JIS

Min.TensileStrength

DID

Min.Tensile Strength

DID

Avg. TensileStrength

DID

Max.AllowableLoad

Approx.Weight(lbs/ft)

No. ofLinksperUnit

Dimensions Unit (inch)

Note: Those marked with indicate bush chain.

.*

RC25 25 0.250 0.125 0.130 0.091 0.307 0.335 ----- ----- 0.185 ----- 0.252 0.028 0.232 785 814 990 165 0.09 480

RC35 35 0.375 0.188 0.200 0.141 0.472 0.516 ----- ----- 0.287 ----- 0.398 0.049 0.354 1773 1980 2530 484 0.21 320

RC41 41 0.500 0.251 0.306 0.141 0.539 0.575 ----- 0.602 0.311 ----- 0.047 0.378 1503 1980 2420 528 0.26 240

RC40 40 0.500 0.313 0.312 0.156 0.650 0.693 ----- 0.760 0.374 ----- 0.567 0.059 0.472 3095 3520 4290 836 0.42 240

RC50 50 0.625 0.375 0.400 0.200 0.799 0.862 ----- 0.909 0.457 ----- 0.713 0.079 0.591 4891 5940 6930 1540 0.71 192

RC60 60 0.750 0.500 0.469 0.235 1.000 1.059 1.098 1.181 0.563 0.594 0.898 0.094 0.713 6978 7920 9900 2090 0.97 160

RC80 80 1.000 0.625 0.625 0.313 1.283 ----- 1.394 1.433 ----- 0.748 1.154 0.126 0.945 12474 16060 17600 3300 1.71 120

RC100 100 1.250 0.750 0.750 0.376 1.555 ----- 1.673 1.713 ----- 0.898 1.409 0.157 1.177 19450 24200 26620 5060 2.54 96

RC120 120 1.500 1.000 0.875 0.437 1.957 ----- 2.087 2.130 ----- 1.110 1.787 0.189 1.413 27953 33000 37400 6820 3.68 80

RC140 140 1.750 1.000 1.000 0.500 2.110 ----- 2.299 2.346 ----- 1.244 1.925 0.220 1.650 37913 43340 48400 9020 4.77 68

RC160 160 2.000 1.250 1.125 0.563 2.504 ----- 2.685 2.744 ----- 1.433 2.303 0.252 1.882 49892 55000 60500 11880 6.58 60

RC180 180 2.250 1.406 1.406 0.687 2.815 ----- 3.043 3.122 ----- 1.630 2.591 0.280 2.118 -------- 74800 81400 13860 8.52 54

RC200 200 2.500 1.500 1.562 0.781 3.067 ----- 3.346 3.437 ----- 1.807 2.819 0.315 2.362 77845 96800 105600 16500 11.06 48

RC240 240 3.000 1.875 1.875 0.937 3.748 ----- 4.051 4.150 ----- 2.189 3.457 0.374 2.815 112259 139700 154000 22220 15.62 40

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links. Since the maximum horsepower ratings are determined

considering the strength of connecting links and offset links, the

clearance-fit connecting links and offset links can be used if they

are selected according to the “General selection”.

4. For severe applications, use interference-fit connecting links and/

or Ultimate Power Series roller chain. For the use of offset links,

2P offset link is recommended

*

*

14

Clip Type 2P Offset Link

Pitch

DID ANSI

RollerLink

Width

P W D d E F e L C T H h

BushDia.

Pin Trans-versePitch

PlateChain No.

Dimensions

JIS

Min.TensileStrength

DID


DID


DID

Max.AllowableLoad


Max. Horsepower Ratings

100 500 900 1200 1800 2500 3000 3500 4000 4500 5000 5500 6000 6500 7000 7500 8000 8500 9000 10000

Revolutions per minute-Small Sprocket (rpm) (Please refer to P.76 for more details regarding type of lubrication A, B and C.)

Unit (inch)

A

Type of LubricationNo.ofTeeth ofSmallSprocket

B

RC25 Standard Roller Chain

C

Note: Value in above table is for single strand chain only.

For multiplex chain, please apply the coefficient of Multi-strand. Please refer to chain selection on P.64.

RC25 25 0.250 0.125 0.130 0.091 0.307 0.335 0.154 0.185 0.252 0.028 0.232 0.205 785 814 990 165 0.09

RC25-2 25-2 0.567 0.591 1571 1628 1980 264 0.17

RC25-3 25-3 0.819 0.843 2356 2442 2970 396 0.26

RC25-4 25-4 1.071 1.094 3142 3256 3960 528 0.35

RC25-5 25-5 1.327 1.350 3927 4070 4950 638 0.44

lbs lbs lbs lbs

Unit (hp)

11 0.05 0.24 0.42 0.54 0.78 1.03 1.22 1.41 1.38 1.15 0.99 0.86 0.75 0.67 0.59 0.54 0.48 0.44 0.40 0.35

12 0.07 0.27 0.46 0.59 0.84 1.14 1.34 1.54 1.57 1.31 1.13 0.98 0.86 0.76 0.68 0.62 0.55 0.51 0.47 0.40

13 0.07 0.29 0.50 0.64 0.92 1.25 1.46 1.68 1.77 1.49 1.27 1.10 0.97 0.86 0.76 0.68 0.63 0.58 0.52 0.44

14 0.08 0.32 0.54 0.70 1.01 1.34 1.58 1.82 1.98 1.66 1.42 1.23 1.07 0.95 0.86 0.78 0.70 0.64 0.59 0.50

15 0.08 0.34 0.58 0.75 1.07 1.45 1.70 1.96 2.20 1.84 1.57 1.37 1.19 1.06 0.95 0.86 0.78 0.71 0.66 0.55

16 0.08 0.36 0.62 0.80 1.15 1.55 1.84 2.10 2.37 2.02 1.73 1.50 1.31 1.17 1.05 0.94 0.86 0.78 0.71 0.62

17 0.09 0.39 0.66 0.86 1.23 1.66 1.96 2.24 2.53 2.23 1.89 1.65 1.45 1.27 1.14 1.03 0.94 0.86 0.79 0.67

18 0.09 0.42 0.70 0.91 1.31 1.77 2.08 2.39 2.69 2.43 2.06 1.80 1.57 1.39 1.25 1.13 1.02 0.94 0.86 0.72

19 0.11 0.44 0.75 0.97 1.39 1.88 2.20 2.53 2.86 2.63 2.24 1.94 1.70 1.51 1.35 1.22 1.11 1.01 0.92 0.79

20 0.11 0.47 0.79 1.02 1.47 1.97 2.33 2.68 3.02 2.83 2.43 2.09 1.84 1.64 1.46 1.31 1.19 1.09 1.01 0.86

21 0.12 0.50 0.83 1.07 1.55 2.08 2.45 2.82 3.18 3.04 2.60 2.25 1.98 1.76 1.57 1.42 1.29 1.18 1.07 0.92

22 0.12 0.51 0.87 1.13 1.64 2.18 2.59 2.96 3.35 3.27 2.79 2.43 2.12 1.88 1.69 1.51 1.38 1.26 1.15 0.99

23 0.12 0.54 0.91 1.19 1.72 2.29 2.71 3.11 3.51 3.50 2.99 2.59 2.27 2.01 1.80 1.62 1.47 1.34 1.23 1.06

24 0.13 0.56 0.97 1.25 1.80 2.41 2.84 3.26 3.67 3.73 3.18 2.76 2.43 2.14 1.92 1.73 1.57 1.43 1.31 1.13

25 0.13 0.59 1.01 1.30 1.88 2.52 2.96 3.40 3.83 3.95 3.38 2.94 2.57 2.28 2.04 1.84 1.68 1.53 1.39 1.19

28 0.16 0.67 1.14 1.47 2.12 2.84 3.35 3.85 4.34 4.69 4.01 3.47 3.04 2.71 2.43 2.18 1.98 1.81 1.66 1.42

30 0.17 0.72 1.22 1.58 2.28 3.06 3.61 4.14 4.68 5.20 4.45 3.85 3.38 3.00 2.68 2.43 2.20 2.01 1.84 1.57

32 0.19 0.78 1.31 1.70 2.44 3.28 3.87 4.45 5.01 5.58 4.89 4.25 3.73 3.30 2.96 2.67 2.43 2.21 2.02 1.73

35 0.20 0.84 1.45 1.86 2.69 3.62 4.26 4.89 5.52 6.14 5.60 4.85 4.26 3.78 3.38 3.04 2.76 2.53 2.32 1.98

40 0.23 0.98 1.66 2.16 3.11 4.18 4.92 5.66 6.38 7.09 6.85 5.94 5.20 4.61 4.13 3.73 3.38 3.08 2.83 2.43

45 0.27 1.11 1.89 2.45 3.53 4.75 5.59 6.42 7.24 8.06 8.16 7.08 6.21 5.51 4.93 4.45 4.03 3.69 3.38 2.88

50 0.29 1.25 2.12 2.75 3.95 5.32 6.26 7.20 8.12 9.02 9.57 8.28 7.28 6.45 5.78 5.20 4.73 4.32 3.95 3.38

55 0.32 1.38 2.35 3.04 4.38 5.90 6.94 7.98 8.99 10.0 11.0 9.57 8.39 7.44 6.66 6.01 5.46 4.97 4.57 3.90

60 0.36 1.51 2.59 3.35 4.81 6.47 7.63 8.77 9.88 11.0 12.1 10.9 9.57 8.49 7.59 6.85 6.21 5.67 5.20 4.45

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Clip Type 2P Offset Link

15

Max. Horsepower RatingsType of Lubrication

No.ofTeeth ofSmallSprocket


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Clip Type Cotter Type 2P Offset Link



Pitch

DID ANSI

RollerLink

WidthP W D d E F G e f g C T H h

BushDia.

Pin Trans-versePitch

PlateChain No.

Dimensions

JIS

Min.TensileStrength

lbs.

DID


lbs.

DID


lbs.

DID

Max.AllowableLoad

lbs.


Unit (inches)

Unit (hp)

11 0.23 0.99 1.69 2.18 3.14 3.86 2.94 2.33 1.90 1.60 1.37 1.18 1.03 0.92 0.82 0.74 0.67 0.62 0.56 0.48

12 0.25 1.09 1.85 2.40 3.45 4.40 3.35 2.65 2.17 1.82 1.55 1.35 1.18 1.05 0.94 0.84 0.76 0.70 0.64 0.55

13 0.28 1.19 2.01 2.61 3.77 4.96 3.78 2.99 2.45 2.05 1.76 1.51 1.34 1.18 1.06 0.95 0.87 0.79 0.72 0.62

14 0.31 1.29 2.18 2.83 4.08 5.48 4.22 3.35 2.73 2.29 1.96 1.70 1.49 1.33 1.18 1.07 0.97 0.88 0.82 0.70

15 0.32 1.38 2.36 3.04 4.40 5.90 4.68 3.71 3.04 2.55 2.17 1.89 1.65 1.46 1.31 1.18 1.07 0.98 0.90 0.76

16 0.35 1.49 2.52 3.27 4.71 6.33 5.15 4.09 3.35 2.80 2.40 2.08 1.82 1.62 1.45 1.30 1.18 1.09 0.99 0.84

17 0.38 1.58 2.69 3.49 5.03 6.76 5.64 4.48 3.66 3.07 2.63 2.28 2.00 1.77 1.58 1.43 1.30 1.18 1.09 0.92

18 0.40 1.69 2.87 3.71 5.35 7.18 6.15 4.88 3.99 3.35 2.86 2.48 2.17 1.93 1.73 1.55 1.41 1.29 1.18 1.01

19 0.42 1.78 3.04 3.94 5.67 7.61 6.66 5.29 4.33 3.63 3.10 2.68 2.36 2.09 1.88 1.69 1.53 1.39 1.29 1.10

20 0.44 1.89 3.20 4.16 5.99 8.06 7.20 5.71 4.68 3.91 3.35 2.90 2.55 2.25 2.02 1.82 1.65 1.51 1.38 1.18

21 0.47 2.00 3.38 4.38 6.31 8.49 7.75 6.15 5.03 4.22 3.61 3.12 2.73 2.43 2.17 1.96 1.78 1.62 1.49 1.27

22 0.50 2.09 3.55 4.61 6.64 8.93 8.31 6.60 5.40 4.52 3.86 3.35 2.94 2.60 2.33 2.10 1.90 1.74 1.60 1.37

23 0.52 2.20 3.73 4.84 6.97 9.36 8.89 7.05 5.76 4.84 4.13 3.58 3.14 2.79 2.49 2.25 2.04 1.86 1.70 1.46

24 0.54 2.31 3.91 5.07 7.29 9.80 9.46 7.51 6.15 5.15 4.40 3.81 3.35 2.96 2.65 2.40 2.17 1.98 1.82 1.55

25 0.56 2.41 4.09 5.29 7.63 10.20 10.10 7.99 6.54 5.48 4.68 4.05 3.55 3.15 2.83 2.55 2.31 2.10 1.93 1.65

28 0.64 2.72 4.61 5.98 8.62 11.60 11.90 9.46 7.75 6.49 5.55 4.80 4.22 3.74 3.35 3.02 2.73 2.51 2.29 1.96

30 0.68 2.94 4.97 6.45 9.28 12.50 13.20 10.50 8.59 7.20 6.15 5.34 4.68 4.14 3.71 3.35 3.04 2.77 2.55 2.17

32 0.74 3.14 5.34 6.90 9.95 13.40 14.60 11.60 9.46 7.94 6.77 5.87 5.15 4.57 4.09 3.69 3.35 3.06 2.80 2.40

35 0.82 3.46 5.87 7.61 11.00 14.70 16.60 13.20 10.80 9.08 7.75 6.72 5.90 5.23 4.68 4.22 3.83 3.50 3.20

40 0.94 3.99 6.78 8.79 12.70 17.00 20.10 16.20 13.20 11.10 9.46 8.20 7.20 6.38 5.71 5.15 4.68

45 1.07 4.54 7.47 9.99 14.30 19.30 22.80 19.30 15.80 13.20 11.30 9.79 8.59 7.61 6.82 6.15

50 1.19 5.09 8.63 11.20 16.10 21.70 25.50 22.70 18.50 15.50 13.20 11.50 10.10 8.93

55 1.33 5.64 9.57 12.40 17.80 24.00 28.30 26.00 21.30 17.80 15.30 13.20 11.60

60 1.46 6.19 10.50 13.70 19.60 26.40 31.10 29.80 24.30 20.40 17.40

RC35 35 0.375 0.188 0.200 0.141 0.472 0.516 0.555 0.236 0.287 0.291 0.398 0.049 0.354 0.305 1773 1980 2530 484 0.21

RC35-2 35-2 0.870 0.913 0.925 3546 3960 5060 814 0.46

RC35-3 35-3 1.268 1.315 1.327 5320 5940 7590 1210 0.70

RC35-4 35-4 1.665 1.713 1.724 7093 7920 10120 1584 0.95

RC35-5 35-5 2.067 2.114 2.126 8866 9900 12650 1870 1.19

16

DID ANSIlbs lbs lbs lbs

D d E F G e f g T H h

DID DID DID



Dimensions


RC41 41 0.500 0.251 0.306 0.141 0.539 0.575 0.602 0.272 0.311 0.335 0.047 0.378 0.315 1503 1980 2420 528 0.26

Chain No. Pitch RollerLink

Width

RollerDia.

Pin PlateJIS

Min. TensileStrength



Max. AllowableLoad

Approx.Weight

(lbs/FT)

Unit (inch)

P W

Unit (hp)

A B C

50 200 400 600 900 1200 1800 2400 3000 3500 4000 4500 5000 5500 6000 6500 7000 7500 8000 9000

11 0.15 0.54 0.99 1.42 2.05 1.72 0.92 0.60 0.43 0.35 0.28 0.24 0.20 0.17 0.15 0.13 0.12 0.11 0.09

12 0.16 0.58 1.09 1.57 2.25 1.94 1.06 0.68 0.50 0.39 0.32 0.27 0.23 0.20 0.17 0.16 0.13 0.12 0.11

13 0.19 0.63 1.18 1.70 2.47 2.20 1.19 0.78 0.55 0.44 0.36 0.31 0.25 0.23 0.20 0.17 0.16 0.13 0.13

14 0.20 0.68 1.29 1.85 2.67 2.45 1.34 0.87 0.62 0.50 0.40 0.34 0.29 0.25 0.21 0.20 0.17 0.16 0.15

15 0.21 0.74 1.38 2.00 2.87 2.72 1.49 0.97 0.68 0.55 0.44 0.38 0.32 0.28 0.24 0.21 0.19 0.17

16 0.23 0.79 1.49 2.13 3.08 3.00 1.64 1.06 0.76 0.60 0.50 0.42 0.35 0.31 0.27 0.24 0.21 0.19

17 0.24 0.84 1.58 2.28 3.28 3.28 1.78 1.17 0.83 0.66 0.54 0.46 0.39 0.34 0.29 0.25 0.23 0.21

18 0.25 0.90 1.69 2.43 3.50 3.58 1.94 1.26 0.91 0.72 0.59 0.50 0.42 0.36 0.32 0.28 0.25 0.23

19 0.28 0.95 1.78 2.57 3.71 3.89 2.12 1.37 0.98 0.78 0.64 0.54 0.46 0.40 0.35 0.31 0.28 0.25

20 0.29 1.02 1.89 2.72 3.91 4.20 2.28 1.49 1.06 0.84 0.68 0.58 0.50 0.43 0.38 0.34 0.29 0.27

21 0.31 1.07 2.00 2.87 4.13 4.50 2.45 1.60 1.14 0.91 0.74 0.62 0.54 0.46 0.40 0.36 0.32 0.29

22 0.32 1.13 2.09 3.02 4.34 4.84 2.63 1.72 1.22 0.97 0.79 0.67 0.56 0.50 0.43 0.39 0.35

23 0.34 1.18 2.20 3.16 4.56 5.17 2.82 1.82 1.31 1.03 0.84 0.71 0.60 0.52 0.46 0.42 0.36

24 0.35 1.23 2.31 3.31 4.77 5.51 3.00 1.94 1.39 1.11 0.91 0.76 0.64 0.56 0.50 0.44 0.39

25 0.38 1.29 2.40 3.46 4.99 5.86 3.19 2.06 1.49 1.18 0.97 0.80 0.68 0.60 0.52 0.47

28 0.42 1.46 2.72 3.91 5.63 6.94 3.78 2.45 1.76 1.39 1.14 0.95 0.82 0.71 0.62 0.55

30 0.46 1.57 2.92 4.21 6.07 7.69 4.20 2.72 1.94 1.54 1.26 1.06 0.91 0.79 0.68

32 0.48 1.68 3.14 4.52 6.51 8.43 4.61 3.00 2.14 1.70 1.39 1.17 0.99 0.86 0.76

35 0.54 1.85 3.46 4.97 7.17 9.29 5.28 3.43 2.45 1.94 1.60 1.34 1.14 0.99

40 0.62 2.14 3.99 5.75 8.28 10.70 6.45 4.20 3.00 2.39 1.94 1.64 1.39

45 0.70 2.43 4.53 6.53 9.41 12.20 7.69 5.00 3.58 2.84 2.32 1.94

50 0.78 2.72 5.08 7.32 10.50 13.70 9.02 5.86 4.20 3.32 2.72

55 0.87 3.02 5.63 8.11 11.70 15.10 10.40 6.76 4.84 3.83

60 0.95 3.31 6.18 8.91 12.80 16.60 11.80 7.69 5.51


Type of Lubrication

Clip Type Offset Link 2P Offset Link

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ISS

ION

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AIN



17

DID ANSId E F G L e f g C T H h


50 200 400 600 900 1200 1800 2400 3000 3500 4000 4500 5000 5500 6000 6500 7000 7500 8000 9000

RC40 40 0.500 0.313 0.312 0.156 0.650 0.693 0.713 0.752 0.327 0.374 0.398 0.567 0.059 0.472 0.409 3095 3520 4290 836 0.42

RC40-2 40-2 1.220 1.264 1.283 1.323 6191 7040 8580 1408 0.80

RC40-3 40-3 1.787 1.827 1.850 1.886 9286 10560 12870 2090 1.19

RC40-4 40-4 2.358 2.402 2.417 2.417 12382 14080 17160 2750 1.59

RC40-5 40-5 2.925 2.969 2.984 2.984 15477 17600 21450 3256 1.98

DID DID DIDChain No. Pitch RollerLink

Width

RollerDia.

Pin Plate JIS



Max. AllowableLoad

lbs lbs lbs lbs

Trans-versePitch



11 0.27 0.94 1.74 2.52 3.63 4.71 4.66 3.03 2.17 1.72 1.41 1.18 1.01 0.87 0.76 0.68 0.60 0.55 0.50

12 0.29 1.03 1.92 2.76 3.98 5.16 5.31 3.45 2.47 1.96 1.61 1.34 1.15 0.99 0.87 0.78 0.70 0.63 0.56

13 0.32 1.13 2.09 3.02 4.34 5.63 5.99 3.89 2.79 2.21 1.81 1.51 1.30 1.13 0.98 0.87 0.78 0.71 0.64

14 0.35 1.22 2.27 3.27 4.71 6.10 6.70 4.34 3.11 2.47 2.02 1.69 1.45 1.26 1.10 0.98 0.87 0.79 0.71

15 0.38 1.31 2.44 3.53 5.07 6.57 7.43 4.83 3.45 2.73 2.24 1.88 1.61 1.39 1.22 1.09 0.97 0.87

16 0.40 1.41 2.63 3.78 5.44 7.05 8.18 5.31 3.81 3.02 2.47 2.06 1.77 1.53 1.34 1.19 1.07 0.97

17 0.43 1.50 2.80 4.03 5.80 7.52 8.95 5.82 4.17 3.31 2.71 2.27 1.93 1.68 1.47 1.30 1.17 1.06

18 0.46 1.60 2.98 4.29 6.18 8.00 9.76 6.34 4.53 3.61 2.95 2.47 2.10 1.82 1.61 1.42 1.27 1.15

19 0.48 1.69 3.15 4.54 6.55 8.49 10.60 6.88 4.92 3.90 3.19 2.68 2.29 1.98 1.74 1.54 1.38 1.25

20 0.51 1.78 3.34 4.80 6.92 8.97 11.40 7.43 5.31 4.22 3.45 2.90 2.47 2.14 1.88 1.66 1.49 1.34

21 0.54 1.89 3.51 5.07 7.29 9.45 12.30 7.99 5.72 4.53 3.71 3.11 2.65 2.31 2.02 1.80 1.61 1.45

22 0.56 1.98 3.70 5.32 7.67 9.93 13.20 8.57 6.13 4.87 3.98 3.34 2.86 2.47 2.17 1.92 1.72

23 0.60 2.08 3.87 5.59 8.04 10.40 14.10 9.16 6.55 5.20 4.26 3.57 3.04 2.64 2.32 2.05 1.84

24 0.63 2.17 4.06 5.86 8.43 10.90 15.00 9.76 6.98 5.55 4.53 3.81 3.24 2.82 2.47 2.18 1.96

25 0.66 2.28 4.25 6.11 8.81 11.40 16.00 10.40 7.43 5.90 4.83 4.05 3.45 2.99 2.63 2.33

28 0.74 2.57 4.80 6.92 9.96 12.90 18.60 12.30 8.81 6.98 5.72 4.79 4.09 3.55 3.11 2.76

30 0.79 2.77 5.17 7.44 10.70 13.90 20.00 13.70 9.76 7.75 6.34 5.31 4.53 3.93 3.45

32 0.86 2.98 5.54 7.99 11.50 14.90 21.40 15.00 10.80 8.54 6.98 5.86 5.00 4.33 3.81

35 0.94 3.27 6.10 8.79 12.70 16.40 23.60 17.20 12.30 9.76 7.99 6.70 5.72 4.96

40 1.09 3.78 7.05 10.20 14.60 18.90 27.30 21.00 15.00 11.90 9.76 8.18 6.98

45 1.23 4.29 8.02 11.50 16.60 21.60 31.00 25.10 18.00 14.20 11.60 9.76

50 1.38 4.81 8.98 12.90 18.60 24.10 34.70 29.40 21.00 16.60 13.70

55 1.53 5.34 9.95 14.30 20.60 26.80 38.50 33.90 24.30 19.30

60 1.68 5.86 10.90 15.70 22.70 29.40 42.40 38.60 27.60


Type of Lubrication

Unit (inch)

Unit (hp)

A B C

P W D

Approx.Weight

(lbs/FT)


Dimensions



Clip Type Cotter Type(Special Order)

Offset Link 2P Offset Link TR

AN

SM

ISS

ION

RO

LLER

CH

AIN

18


Unit (inch)

Unit (hp)

DIDd E F G L e f g C T H h


Width

RollerDia.

Pin PlateTrans-versePitch

P W D

DID DID DIDJISMin. Tensile

StrengthAvg. Tensile

StrengthMax. Allowable

LoadMin. Tensile

Strength

lbs lbs lbs lbs

Approx.Weight

(lbs/FT)

RC50 50 0.625 0.375 0.400 0.200 0.799 0.862 0.870 0.913 0.402 0.457 0.476 0.713 0.079 0.591 0.512 4891 5940 6930 1540 0.71

RC50-2 50-2 1.516 1.579 1.587 1.626 9781 11880 13860 2618 1.37

RC50-3 50-3 2.232 2.295 2.303 2.343 14672 17820 20790 3850 2.05

RC50-4 50-4 2.945 3.008 3.016 3.016 19562 23760 27720 5082 2.72

RC50-5 50-5 3.661 3.720 3.728 3.728 24453 29700 34650 6006 3.41

11 0.64 1.21 3.24 5.13 8.70 10.20 7.33 5.58 4.42 3.62 3.03 2.59 2.25 2.05 1.69 1.41 1.21 1.07 0.97

12 0.71 1.33 3.55 5.63 9.56 11.70 8.35 6.35 5.04 4.13 3.46 2.95 2.56 2.35 1.92 1.61 1.37 1.22 1.10

13 0.78 1.45 3.87 6.14 10.40 13.20 9.41 7.16 5.68 4.65 3.90 3.32 2.88 2.64 2.16 1.81 1.54 1.38 1.23

14 0.84 1.57 4.21 6.65 11.30 14.60 10.50 8.00 6.35 5.20 4.36 3.73 3.23 2.95 2.41 2.02 1.73 1.54

15 0.90 1.69 4.53 7.17 12.20 15.80 11.70 8.87 7.05 5.76 4.84 4.13 3.58 3.27 2.68 2.25 1.92 1.70

16 0.97 1.81 4.85 7.69 13.00 16.90 12.90 9.79 7.76 6.35 5.32 4.54 3.94 3.61 2.95 2.48 2.12 1.88

17 1.03 1.93 5.19 8.20 13.90 18.10 14.10 10.70 8.50 6.96 5.83 4.97 4.32 3.95 3.23 2.71 2.32 2.06

18 1.10 2.05 5.51 8.73 14.90 19.20 15.30 11.70 9.26 7.57 6.35 5.43 4.71 4.30 3.53 2.95 2.52

19 1.17 2.17 5.84 9.25 15.70 20.40 16.60 12.70 10.00 8.22 6.89 5.88 5.09 4.66 3.82 3.20 2.73

20 1.23 2.29 6.18 9.79 16.60 21.60 18.00 13.70 10.80 8.87 7.44 6.35 5.51 5.04 4.13 3.46 2.95

21 1.30 2.43 6.51 10.30 17.60 22.70 19.30 14.70 11.70 9.56 8.00 6.84 5.92 5.43 4.44 3.73 3.18

22 1.37 2.55 6.85 10.80 18.40 23.90 20.80 15.80 12.50 10.20 8.58 7.33 6.35 5.82 4.76 3.99 3.40

23 1.43 2.67 7.18 11.40 19.30 25.10 22.10 16.90 13.40 11.00 9.17 7.83 6.80 6.22 5.09 4.26

24 1.50 2.80 7.52 11.90 20.20 26.10 23.60 18.00 14.20 11.70 9.79 8.35 7.24 6.62 5.43 4.54

25 1.57 2.92 7.86 12.50 21.20 27.30 25.10 19.20 15.10 12.40 10.40 8.87 7.69 7.05 5.76 4.84

28 1.77 3.31 8.89 14.10 23.90 31.00 29.80 22.70 18.00 14.70 12.30 10.50 9.12 8.35 6.84

30 1.90 3.57 9.57 15.10 25.70 33.40 33.00 25.10 20.00 16.40 13.70 11.70 10.10 9.26 7.57

32 2.05 3.82 10.30 16.20 27.60 35.80 36.30 27.60 22.00 18.00 15.00 12.90 11.10 10.20 8.35

35 2.25 4.21 11.30 18.00 30.40 39.40 41.60 31.60 25.10 20.50 17.30 14.70 12.70 11.70 9.56

40 2.60 4.85 13.10 20.60 35.10 45.40 50.80 38.60 30.70 25.10 21.00 18.00 15.50 14.20

45 2.96 5.52 14.90 23.50 39.80 51.60 60.60 46.10 36.60 30.00 25.10 21.40 18.60

50 3.31 6.18 16.60 26.30 44.60 57.90 70.80 54.00 42.90 35.10 29.40 25.10

55 3.67 6.85 18.40 29.20 49.50 64.20 78.40 62.30 49.50 40.50 33.90

60 4.03 7.53 20.20 32.00 54.40 70.50 86.20 71.00 56.40 46.10



50 100 300 500 900 1200 1500 1800 2100 2400 2700 3000 3300 3500 4000 4500 5000 5400 5800 6200

Type of Lubrication A B C


Dimensions




Offset Link 2P Offset Link

TR

AN

SM

ISS

ION

RO

LLER

CH

AIN

ANSI

19

50 100 200 500 700 900 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 3500 3800 4000 4600

DIDd E F G L e f g C T H h


Width

RollerDia.


P W D




LoadMin. Tensile

Strength

lbs lbs lbs lbs


11 1.01 1.88 3.51 8.02 10.80 13.70 11.80 9.41 7.69 6.45 5.51 4.77 4.20 3.71 3.32 3.00 2.37 2.10 1.94

12 1.11 2.06 3.86 8.81 11.90 15.00 13.50 10.70 8.77 7.35 6.27 5.44 4.77 4.24 3.79 3.42 2.71 2.40 2.23

13 1.21 2.25 4.21 9.60 13.00 16.40 15.30 12.10 9.89 8.28 7.08 6.14 5.39 4.77 4.28 3.85 3.06 2.71 2.51

14 1.31 2.44 4.56 10.40 14.10 17.70 17.00 13.50 11.00 9.26 7.91 6.85 6.02 5.34 4.77 4.30 3.42 3.02 2.80

15 1.41 2.63 4.91 11.20 15.10 19.00 18.90 15.00 12.30 10.30 8.77 7.60 6.68 5.91 5.29 4.77 3.79 3.35 3.10

16 1.51 2.83 5.27 12.00 16.20 20.40 20.80 16.50 13.50 11.30 9.66 8.38 7.35 6.51 5.83 5.25 4.17 3.69 3.42

17 1.61 3.02 5.62 12.80 17.40 21.70 22.80 18.10 14.70 12.40 10.60 9.17 8.06 7.14 6.39 5.76 4.57 4.03 3.74

18 1.72 3.20 5.98 13.70 18.50 23.20 24.80 19.70 16.10 13.50 11.50 9.99 8.77 7.77 6.96 6.27 4.99 4.40 4.08

19 1.82 3.39 6.34 14.50 19.60 24.50 26.90 21.30 17.40 14.60 12.50 10.80 9.52 8.43 7.55 6.81 5.40 4.77 4.42

20 1.93 3.59 6.70 15.30 20.60 26.00 29.10 23.10 18.90 15.80 13.50 11.70 10.30 9.12 8.15 7.35 5.83 5.16

21 2.02 3.78 7.06 16.10 21.80 27.30 31.20 24.80 20.40 17.00 14.50 12.60 11.00 9.80 8.77 7.91 6.27 5.55

22 2.13 3.98 7.43 16.90 22.90 28.80 33.50 26.70 21.70 18.20 15.50 13.50 11.80 10.50 9.41 8.49 6.73 5.95

23 2.24 4.18 7.79 17.80 24.10 30.20 35.80 28.40 23.30 19.60 16.60 14.50 12.70 11.20 10.10 9.06 7.20

24 2.35 4.37 8.16 18.60 25.20 31.60 38.20 30.30 24.80 20.80 17.70 15.40 13.50 12.00 10.70 9.66 7.67

25 2.45 4.57 8.53 19.40 26.30 33.00 40.60 32.20 26.40 22.10 18.90 16.40 14.30 12.70 11.40 10.30 8.15

28 2.76 5.16 9.64 22.00 29.80 37.30 48.10 38.20 31.20 26.10 22.40 19.40 17.00 15.10 13.50 12.20 9.66

30 2.98 5.56 10.40 23.70 32.00 40.20 52.10 42.40 34.70 29.10 24.80 21.40 18.90 16.80 15.00 13.50

32 3.19 5.97 11.10 25.30 34.30 43.20 55.90 46.60 38.20 32.00 27.30 23.70 20.80 18.50 16.50 14.90

35 3.53 6.57 12.30 28.00 37.90 47.50 61.50 53.40 43.70 36.60 31.20 27.10 23.70 21.00 18.90 17.00

40 4.06 7.59 14.20 32.30 43.70 54.80 71.00 65.30 53.40 44.80 38.20 33.10 29.10 25.70 23.10

45 4.62 8.62 16.10 36.70 49.70 62.30 80.70 77.90 63.70 53.40 45.60 39.50 34.70 30.70

50 5.17 9.66 18.10 41.20 55.60 69.80 90.50 91.20 74.70 62.50 53.40 46.20 40.60

55 5.74 10.70 20.00 45.60 61.70 77.30 100 105.00 86.10 72.10 61.50 53.40

60 6.30 11.80 22.00 50.10 67.80 85.00 110 120 98.10 82.20 70.10

Approx.Weight

(lbs/FT)

Unit (inch)

Unit (hp)Max. Horsepower Ratings

Dimensions



Type of LubricationA B C

Note: Value in above table is for single strand chain only. For multiplex chain, please apply the coefficient of Multi-strand. Please refer to chain selection on P.64.

RC60 60 0.750 0.500 0.469 0.235 1.000 1.059 1.098 1.173 0.500 0.563 0.594 0.898 0.094 0.713 0.614 6978 7920 9900 2090 0.97

RC60-2 60-2 1.902 1.961 2.004 2.067 13957 15840 19800 3542 2.03

RC60-3 60-3 2.803 2.862 2.902 2.965 20935 23760 29700 5214 3.02

RC60-4 60-4 3.701 3.760 3.799 3.799 27914 31680 39600 6886 4.04

RC60-5 60-5 4.598 4.677 4.697 4.697 34892 39600 49500 8140 5.05



TR

AN

SM

ISS

ION

RO

LLER

CH

AIN

ANSI

20

DID


Width

RollerDia.





LoadMin. Tensile

Strength

d E G L e g C T H hP W D lbs lbs lbs lbs


RC80 80 1.000 0.625 0.625 0.313 1.283 1.394 1.461 0.646 0.748 1.154 0.126 0.945 0.819 12474 16060 17600 3300 1.71

RC80-2 80-2 2.437 2.547 2.610 24948 32120 35200 5610 3.40

RC80-3 80-3 3.594 3.701 3.744 37422 48180 52800 8250 5.08

RC80-4 80-4 4.748 4.854 4.898 49896 64240 70400 10890 6.77

RC80-5 80-5 5.902 6.008 6.051 62370 80300 88000 12870 8.45

Approx.Weight

(lbs/FT)


No.ofTeeth ofSmallSprocket A B C

Type of Lubrication

Unit (inch)

Unit (hp)

11 1.51 2.84 5.29 9.88 14.20 18.50 22.50 30.60 22.90 19.60 14.90 11.80 9.69 8.12 6.93 6.01 5.27 4.68 4.42 4.18 3.78 3.43 3.12

12 1.68 3.12 5.82 10.90 15.70 20.20 24.80 33.50 26.10 22.40 17.00 13.50 11.00 9.25 7.90 6.85 6.01 5.34 5.04 4.77 4.30 3.90 3.57

13 1.82 3.40 6.34 11.80 17.00 22.10 26.90 36.60 29.50 25.20 19.20 15.30 12.50 10.40 8.90 7.72 6.77 6.01 5.68 5.38 4.85 4.40 4.02

14 1.97 3.69 6.88 12.80 18.50 24.00 29.20 39.50 33.00 28.20 21.40 17.00 13.90 11.70 9.96 8.63 7.57 6.72 6.34 6.01 5.42 4.92 4.49

15 2.13 3.97 7.40 13.80 19.80 25.70 31.50 42.60 36.60 31.20 23.70 18.90 15.40 12.90 11.00 9.57 8.40 7.45 7.04 6.66 6.01 5.46

16 2.28 4.25 7.94 14.90 21.30 27.60 33.80 45.70 40.30 34.50 26.10 20.80 17.00 14.20 12.20 10.50 9.25 8.20 7.75 7.35 6.62 6.01

17 2.44 4.54 8.47 15.80 22.80 29.50 36.10 48.80 44.10 37.70 28.70 22.80 18.60 15.50 13.30 11.50 10.10 8.98 8.50 8.04 7.25 6.58

18 2.59 4.83 9.01 16.90 24.30 31.40 38.30 51.90 48.10 41.00 31.20 24.80 20.20 17.00 14.50 12.60 11.00 9.79 9.25 8.77 7.90 7.17

19 2.75 5.12 9.56 17.80 25.70 33.20 40.60 55.10 52.10 44.50 33.90 26.90 22.00 18.50 15.70 13.70 12.00 10.60 10.00 9.50 8.57

20 2.90 5.42 10.10 18.90 27.20 35.10 43.00 58.20 56.30 48.10 36.60 29.10 23.70 20.00 17.00 14.70 12.90 11.50 10.80 10.30 9.25

21 3.06 5.71 10.60 19.80 28.70 37.10 45.30 61.40 60.60 51.70 39.40 31.20 25.60 21.40 18.20 15.80 13.90 12.30 11.70 11.00 9.96

22 3.22 6.01 11.20 20.90 30.20 39.00 47.70 64.50 65.00 55.50 42.20 33.50 27.30 22.90 19.60 17.00 14.90 13.20 12.50 11.80 10.70

23 3.38 6.30 11.70 22.00 31.60 40.90 50.00 67.70 69.40 59.20 45.20 35.80 29.40 24.50 20.90 18.20 16.00 14.20 13.40 12.70 4.91

24 3.53 6.60 12.30 22.90 33.10 42.80 52.40 70.90 74.00 63.30 48.10 38.20 31.20 26.10 22.40 19.40 17.00 15.10 14.20 13.50

25 3.69 6.89 12.90 24.00 34.60 44.80 54.70 74.00 78.70 67.20 51.10 40.60 33.20 27.90 23.70 20.60 18.10 16.10 15.10 14.30

28 4.17 7.79 14.50 27.10 39.00 50.50 61.80 83.60 93.30 79.60 60.60 48.10 39.40 33.00 28.20 24.40 21.40 19.00 18.00

30 4.49 8.39 15.70 29.20 42.10 53.80 66.60 z88.30 67.20 53.40 43.70 36.60 31.20 27.10 23.70 21.00 8.08

32 4.81 8.99 16.80 31.40 45.00 58.40 71.40 96.60 114 97.30 74.00 58.70 48.10 40.30 34.50 29.80 26.10

35 5.31 9.91 18.50 34.50 49.70 64.30 78.70 107 130 111 84.70 67.20 55.00 46.10 39.40 34.00

40 6.13 11.40 21.30 39.80 57.40 74.40 90.90 123 154 135 103 82.00 67.20 56.30 48.10

45 6.96 13.00 24.30 45.30 65.10 84.50 103 139 176 162 123 98.00 80.20 67.20

50 7.80 14.60 27.20 50.70 73.10 94.60 116 157 196 190 145 115 94.00

55 8.65 16.10 30.20 56.20 81.00 105 128 173 217 220 166 132

60 9.50 17.70 33.10 61.80 88.90 115 141 190 239 249 190


Dimensions

25 50 100 200 300 400 500 700 900 1000 1200 1400 1600 1800 2000 2200 2400 2600 2700 2800 3000 3200 3400 3600

Note: 1. Value in above table is for single strand chain only. For multiplex chain, please apply the coefficient of Multi-strand. Please refer to chain selection on P.64. 2. Please consult with us when the ratings are to the right of the solid blue line.

Cotter Type CP Offset Link 2P Offset Link

TR

AN

SM

ISS

ION

RO

LLER

CH

AIN

ANSI

21

DIDd E G L e g C T H h


Width

RollerDia.


P W D




LoadMin. Tensile

Strength

lbs lbs lbs lbs


Dimensions

Approx.Weight

(lbs/FT)

Unit (inch)

10 25 50 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1600 1800 2000 2200 2400 2500 2600 2700



A B C


Type of Lubrication

RC100 100 1.250 0.750 0.750 0.376 1.555 1.673 1.780 0.780 0.894 1.409 0.157 1.177 1.024 19450 24200 26620 5060 2.54

RC100-2 100-2 2.965 3.083 3.193 38900 48400 53240 8602 5.05

RC100-3 100-3 4.378 4.496 4.535 58351 72600 79860 12650 7.58

RC100-4 100-4 5.787 5.906 5.945 77801 96800 106480 16698 10.13

RC100-5 100-5 7.201 7.319 7.358 97251 121000 133100 19734 12.67

11 1.21 2.75 5.13 9.57 17.80 25.70 33.4 40.80 48.00 40.10 32.70 27.50 23.50 20.40 17.80 15.80 14.20 11.60 9.71 8.28 7.18 6.30 5.92 5.59 1.46

12 1.33 3.02 5.63 10.50 19.60 28.30 36.6 44.80 52.80 45.60 37.40 31.20 26.70 23.20 20.40 18.00 16.10 13.20 11.10 9.44 8.19 7.18 6.76 6.37

13 1.45 3.30 6.14 11.50 21.40 30.80 39.9 48.80 57.50 51.50 42.10 35.30 30.20 26.10 22.90 20.40 18.20 14.90 12.50 10.60 9.24 8.10 7.61 7.18

14 1.57 3.57 6.66 12.40 23.20 33.40 43.3 52.90 62.30 57.50 47.10 39.40 33.60 29.20 25.60 22.70 20.40 16.60 13.90 11.90 10.30 9.05 8.51

15 1.69 3.85 7.17 13.40 24.90 35.90 46.6 57.00 67.20 63.80 52.10 43.70 37.40 32.30 28.40 25.20 22.50 18.50 15.40 13.20 11.40 10.00 9.44

16 1.81 4.12 7.69 14.30 26.80 38.60 50.0 61.10 72.00 70.20 57.50 48.10 41.20 35.70 31.20 27.70 24.80 20.40 17.00 14.60 12.60 11.10 10.40

17 1.93 4.40 8.20 15.30 28.60 41.20 53.4 65.30 76.80 76.90 63.00 52.80 45.00 39.00 34.30 30.40 27.20 22.30 18.60 16.00 13.80 12.10

18 2.05 4.68 8.73 16.40 30.40 43.80 56.7 69.40 81.80 83.80 68.60 57.50 49.10 42.50 37.40 33.10 29.60 24.30 20.40 17.30 15.00 13.20

19 2.17 4.96 9.26 17.30 32.30 46.40 60.2 73.60 86.60 90.90 74.40 62.30 53.20 46.10 40.50 35.90 32.20 26.30 22.00 18.80 16.40 14.30

20 2.29 5.24 9.79 18.20 34.00 49.10 63.5 77.70 91.60 98.10 80.40 67.30 57.50 49.90 43.70 38.70 34.70 28.40 23.90 20.40 17.60

21 2.43 5.52 10.30 19.30 35.90 51.70 67.0 81.90 96.50 106 86.50 72.40 61.80 53.60 47.10 41.70 37.40 30.60 25.60 21.80 18.90

22 2.55 5.82 10.80 20.20 37.80 54.40 70.5 86.20 101 113 92.60 77.60 66.40 57.50 50.40 44.80 40.10 32.70 27.50 23.50 20.40

23 2.67 6.10 11.40 21.20 39.70 57.10 74.0 90.30 107 121 99.10 83.00 70.90 61.40 53.90 47.90 42.80 35.00 29.40 25.10 21.70

24 2.80 6.38 11.90 22.30 41.60 59.80 77.5 94.60 112 128 106 88.50 75.60 65.50 57.50 50.90 45.60 37.40 31.20 26.70 23.20

25 2.92 6.68 12.50 23.20 43.40 62.50 81.0 98.90 117 134 112 94.10 80.30 69.60 61.10 54.20 48.50 39.70 33.20 28.40 24.50

28 3.31 7.55 14.10 26.30 49.10 70.60 91.4 112 132 151 133 112 95.20 82.60 72.40 64.20 57.50 47.10 39.40 33.60

30 3.57 8.12 15.10 28.30 52.80 76.00 98.5 121 142 164 147 124 106 91.60 80.30 71.20 63.80 52.10 43.70

32 3.82 8.71 16.20 30.30 56.60 81.50 106 129 153 174 162 137 116 101 88.50 78.40 70.20 57.50 48.10

35 4.21 9.60 18.00 33.40 62.30 89.80 116 142 168 193 186 155 133 115 101 89.80 80.30 66.20

40 4.87 11.10 20.60 38.60 72.00 104 134 165 193 223 227 190 162 141 124 110 98.10

45 5.52 12.60 23.50 43.80 81.80 118 153 186 220 252 271 227 194 168 147 131

50 6.18 14.10 26.30 49.20 91.70 132 172 209 247 283 318 265 227 197

55 6.85 15.70 29.20 54.40 102 146 189 232 273 314 354 307 263

60 7.53 17.20 32.00 59.80 112 161 208 255 300 345 389 350


Please consult with us when the ratings are to the right of the solid blue line.

Cotter Type CP Offset Link 2P Offset LinkRP

TR

AN

SM

ISS

ION

RO

LLER

CH

AIN

ANSI

22



Type of Lubrication

10 25 50 100 150 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100




Width

RollerDia.


P W D




LoadMin. Tensile

Strength

lbs lbs lbs lbs

Approx.Weight

(lbs/FT)

Unit (inch)


Dimensions


Please consult with us when the ratings are to the right of the solid blue line.

RC120 120 1.500 1.000 0.875 0.437 1.957 2.087 2.209 0.980 1.110 1.787 0.189 1.413 1.228 27953 33000 37400 6820 3.68

RC120-2 120-2 3.748 3.878 3.921 55906 66000 74800 11594 7.38

RC120-3 120-3 5.535 5.665 5.709 83860 99000 112200 17050 11.06

RC120-4 120-4 7.327 7.457 7.500 111813 132000 149600 22506 14.75

RC120-5 120-5 9.114 9.244 9.287 139766 165000 187000 26598 18.44

11 2.02 4.62 8.65 16.10 23.20 30.20 43.30 56.20 68.60 58.30 46.40 37.90 31.80 27.10 23.50 20.60 18.40 16.40 14.70 13.40 12.20 11.20 10.40 9.58 8.91

12 2.23 5.08 9.49 17.70 25.50 33.10 47.60 61.70 75.50 66.50 52.80 43.20 36.20 31.00 26.80 23.50 20.90 18.60 16.90 15.30 13.90 12.80 11.80 10.90

13 2.43 5.55 10.30 19.30 27.90 36.10 51.90 67.30 82.20 74.90 59.50 48.70 40.90 34.90 30.20 26.50 23.50 21.00 19.00 17.20 15.70 14.50 13.30 12.30

14 2.63 6.01 11.20 20.90 30.20 39.00 56.30 72.90 89.00 83.80 66.50 54.40 45.60 39.00 33.80 29.60 26.30 23.50 21.20 19.30 17.60 16.10 14.90 13.80

15 2.84 6.47 12.10 22.50 32.40 42.10 60.60 78.60 96.00 92.90 73.70 60.30 50.50 43.20 37.40 32.80 29.10 26.10 23.50 21.30 19.40 17.80 16.50

16 3.04 6.94 12.90 24.10 34.90 45.00 65.00 84.20 103 102 81.20 66.50 55.80 47.60 41.30 36.20 32.20 28.70 25.90 23.50 21.40 19.70 18.20

17 3.24 7.41 13.80 25.90 37.10 48.10 69.30 89.80 110 112 89.00 72.80 61.00 52.10 45.20 39.70 35.10 31.50 28.40 25.70 23.50 21.60 19.80

18 3.46 7.88 14.70 27.50 39.50 51.20 73.70 95.60 117 122 96.90 79.40 66.50 56.80 49.20 43.20 38.30 34.30 31.00 28.00 25.60 23.50 21.70

19 3.66 8.35 15.50 29.10 42.00 54.30 78.20 101 124 132 105 86.10 72.10 61.50 53.40 46.80 41.60 37.10 33.50 30.40 27.70 25.50

20 3.87 8.83 16.50 30.70 44.20 57.40 82.70 107 131 143 114 92.90 77.90 66.50 57.60 50.50 44.90 40.20 36.20 32.80 30.00 27.50

21 4.08 9.30 17.40 32.40 46.60 60.50 87.10 113 138 154 122 100 83.80 71.60 62.10 54.40 48.30 43.20 39.00 35.40 32.30 29.60

22 4.29 9.79 18.20 34.00 49.10 63.70 91.70 119 145 165 131 107 89.80 76.70 66.50 58.30 51.70 46.40 41.80 37.90 34.60 31.80

23 4.50 10.30 19.20 35.80 51.50 66.80 96.10 125 153 177 139 115 96.10 82.00 71.00 62.30 55.40 49.50 44.60 40.50 37.00

24 4.72 10.80 20.10 37.40 53.90 69.80 101 130 160 188 149 122 102 87.40 75.70 66.50 59.00 52.80 47.60 43.20 39.40

25 4.93 11.20 20.90 39.10 56.40 73.10 105 137 166 196 158 130 109 92.90 80.60 70.60 62.70 56.20 50.50 46.00 42.00

28 5.56 12.70 23.70 44.20 63.70 82.60 119 154 188 221 188 154 129 110 95.40 83.80 74.30 66.50 59.90 54.40

30 5.99 13.70 25.60 47.70 68.60 88.90 128 166 202 239 209 170 143 122 106 92.90 82.40 73.70 66.50

32 6.43 14.60 27.30 51.10 73.60 95.30 137 178 217 256 229 188 158 134 117 102 90.80 81.20

35 7.09 16.20 30.20 56.30 81.10 105 151 196 240 283 263 214 181 155 133 117 104

40 8.19 18.60 34.90 65.00 93.70 121 174 227 276 326 322 263 220 188 164

45 9.29 21.20 39.50 73.90 106 138 198 257 314 370 383 314 263 224

50 10.40 23.70 44.40 82.70 119 154 223 288 353 416 449 367 308

55 11.50 26.30 49.20 91.70 132 172 247 319 390 460 517 424

60 12.70 29.00 54.00 101 145 188 271 351 429 505 580


A B C

TR

AN

SM

ISS

ION

RO

LLER

CH

AIN

ANSI

23



Type of Lubrication

10 25 50 100 150 200 250 300 350 400 450 500 550 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1650

A B C





Width

RollerDia.


P W D




LoadMin. Tensile

Strength

lbs lbs lbs lbs

Approx.Weight

(lbs/FT)

Unit (inch)Dimensions

11 3.14 7.16 13.40 24.90 35.90 46.60 56.90 67.10 77.00 86.90 96.60 86.80 75.20 66.00 52.40 42.90 35.90 30.70 26.60 23.30 20.70 18.50 16.70 15.20 14.50

12 3.45 7.87 14.70 27.30 39.50 51.10 62.50 73.70 84.60 95.40 106 98.90 85.70 75.20 59.70 48.90 41.00 35.00 30.30 26.60 23.60 21.10 19.00 17.30 16.50

13 3.77 8.58 16.10 29.90 43.00 55.80 68.20 80.30 92.30 104 116 112 96.60 84.80 67.30 55.10 46.20 39.40 34.20 30.00 26.60 23.80 21.50 19.50

14 4.08 9.29 17.30 32.40 46.60 60.40 73.80 87.00 100 113 125 125 108 94.80 75.20 61.60 51.60 44.10 38.20 33.50 29.70 26.60 24.00 21.80

15 4.40 10.00 18.60 34.90 50.30 65.10 79.50 93.70 108 121 135 138 120 105 83.40 68.30 57.20 48.90 42.30 37.20 33.00 29.50 26.60 7.72

16 4.71 10.70 20.10 37.40 53.90 69.80 85.30 101 115 130 145 152 132 116 91.90 75.20 63.00 53.80 46.60 41.00 36.30 32.50 29.30

17 5.03 11.50 21.40 39.90 57.50 74.50 91.10 107 123 139 155 167 145 127 101 82.40 69.00 59.00 51.10 44.80 39.80 35.60 32.10

18 5.35 12.20 22.80 42.50 61.10 79.20 96.90 114 131 148 164 181 157 138 110 89.80 75.20 64.20 55.70 48.90 43.30 38.80 35.00

19 5.67 12.90 24.10 45.00 64.90 84.00 103 121 139 157 174 192 171 150 119 97.30 81.60 69.70 60.40 53.00 47.00 42.10 37.90

20 5.99 13.70 25.50 47.60 68.50 88.80 109 128 147 166 184 203 184 162 128 105 88.10 75.20 65.20 57.20 50.80 45.40 7.63

21 6.31 14.30 26.90 50.10 72.20 93.60 114 135 155 175 194 213 198 174 138 113 94.80 80.90 70.10 61.60 54.60 48.90

22 6.64 15.10 28.30 52.70 76.00 98.40 120 142 163 184 204 224 213 187 148 121 102 86.80 75.20 66.00 58.60 52.40

23 6.97 16.00 29.60 55.40 79.70 103 126 149 171 193 214 236 227 200 158 130 109 92.80 80.40 70.60 62.60 56.00

24 7.29 16.60 31.10 57.90 83.40 108 132 156 179 202 224 247 242 213 169 138 116 98.90 85.70 75.20 66.70 59.20

25 7.63 17.40 32.40 60.60 87.20 113 138 163 187 211 234 258 258 226 180 147 123 105 91.10 80.00 70.90 20.80

28 8.62 19.70 36.70 68.50 98.60 128 156 184 211 238 265 291 305 268 213 174 146 125 108 94.80

30 9.28 21.20 39.50 73.70 106 138 168 198 228 257 285 314 339 297 236 193 162 138 120

32 9.95 22.70 42.40 79.10 114 148 180 212 244 275 306 336 367 328 260 213 178 152 132

35 11.00 25.00 46.70 87.10 125 162 199 234 269 303 337 371 404 375 297 243 204 174

40 12.70 28.90 53.90 101 145 188 229 270 311 350 389 428 467 458 363 297

45 14.40 32.80 61.20 114 165 213 261 307 353 398 442 486 530 546 433

50 16.10 36.80 68.60 128 184 239 292 344 395 446 496 545 594 640 508

55 17.90 40.70 76.00 142 204 265 324 381 438 494 549 604 658 712

60 19.60 44.80 83.50 156 224 291 356 419 481 543 603 663 723



TR

AN

SM

ISS

ION

RO

LLER

CH

AIN

RC140 140 1.750 1.000 1.000 0.500 2.110 2.299 2.346 1.055 1.248 1.925 0.220 1.650 1.429 37913 43340 48400 9020 4.77

RC140-2 140-2 4.039 4.228 4.276 75825 86680 96800 15334 9.45

RC140-3 140-3 5.965 6.154 6.201 113738 130020 145200 22550 14.15

RC140-4 140-4 7.894 8.083 8.130 151650 173360 193600 29766 18.84

RC140-5 140-5 9.819 10.008 10.055 189563 216700 242000 35178 23.40

ANSI

24





Width

RollerDia.


P W D




LoadMin. Tensile

Strength

lbs lbs lbs lbs

Approx.Weight

(lbs/FT)





A B C


Type of Lubrication

10 25 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 1000 1100 1200 1300

11 4.56 10.4 19.4 36.2 52.1 67.6 82.6 97.3 112 126 113 96.5 83.6 73.5 65.1 58.3 52.5 47.7 43.6 39.9 34.2 29.6 26.0 23.1

12 5.00 11.4 21.3 39.8 57.2 74.3 90.8 107 123 138 129 110 95.4 83.6 74.3 66.5 59.9 54.4 49.6 45.6 38.9 33.8 29.6 26.3

13 5.46 12.5 23.2 43.3 62.5 81.0 98.9 116 134 151 145 124 108 94.4 83.6 74.9 67.6 61.3 56.0 51.3 43.8 38.1 33.4 29.6

14 5.91 13.5 25.2 46.9 67.7 87.7 107 126 145 164 162 138 120 105 93.6 83.6 75.5 68.5 62.6 57.4 49.1 42.5 37.3 33.1

15 6.37 15.5 27.1 50.5 72.9 94.4 115 135 157 176 180 154 133 117 104 92.9 83.6 76.0 69.4 63.7 54.4 47.2 41.4 19.7

16 6.82 15.5 29.1 54.3 78.2 101 124 146 168 189 198 169 147 129 114 102 92.2 83.6 76.4 70.1 59.9 51.9 45.6

17 7.29 16.6 31.1 57.9 83.4 108 132 155 178 201 217 185 161 141 125 112 101 91.7 83.6 76.8 65.5 56.8 49.9

18 7.76 17.7 33.0 61.7 88.7 115 141 166 190 214 237 202 176 154 137 122 110 99.9 91.2 83.6 71.4 61.9 54.4

19 8.22 18.8 35.0 65.3 94.1 122 149 176 201 228 253 220 190 166 147 132 119 108 98.9 90.8 77.5 67.2 59.0

20 8.69 19.8 37.0 69.0 99.5 129 157 185 213 240 267 237 205 180 160 143 129 117 107 98.0 83.6 72.5 63.7

21 9.16 20.9 39.0 72.8 105 135 166 196 225 253 282 255 221 194 172 155 138 126 115 105 90.1 78.0 34.7

22 9.64 22.0 41.0 76.5 110 143 174 205 236 267 296 273 237 208 184 165 149 135 123 113 96.5 83.6

23 10.1 23.1 43.0 80.3 116 150 184 216 248 280 311 292 253 223 197 176 160 145 132 121 103 89.5

24 10.6 24.1 45.0 84.0 121 157 192 227 260 292 326 311 269 237 210 188 169 154 141 129 110 95.4

25 11.1 25.2 47.1 87.8 127 164 200 236 271 306 340 331 287 252 224 200 180 164 149 137 117 101

28 12.5 28.6 53.2 99.3 143 185 227 267 307 346 385 393 340 299 264 237 213 194 177 162

30 13.5 30.7 57.4 107 154 200 244 288 330 373 414 434 377 331 294 263 237 214 196 180

32 14.5 33.0 61.5 115 165 214 261 308 354 399 444 479 416 365 323 290 261 237 216

35 16.0 36.3 67.7 126 182 236 290 339 390 440 489 538 716 417 370 331 299

40 18.4 42.0 78.2 146 210 272 332 393 450 508 564 621 580 509 452

45 20.9 47.6 88.9 166 239 310 378 445 512 578 642 705 693 607

50 23.3 53.4 99.5 186 268 347 424 499 574 646 718 791 811

55 25.9 59.1 110 206 296 385 469 554 635 717 796 877

60 28.4 64.9 121 227 326 422 516 607 698 787 875

TR

AN

SM

ISS

ION

RO

LLER

CH

AIN

RC160 160 2.000 1.250 1.125 0.563 2.504 2.685 2.744 1.256 1.437 2.303 0.252 1.882 1.630 49892 55000 60500 11880 6.58

RC160-2 160-2 4.811 4.992 5.051 99783 110000 121000 20196 13.01

RC160-3 160-3 7.118 7.299 7.358 149675 165000 181500 29700 19.45

RC160-4 160-4 9.421 9.598 9.661 199566 220000 242000 39204 25.88

RC160-5 160-5 11.724 11.945 11.965 249458 275000 302500 46332 32.32

ANSI

25


Approx.Weight

(lbs/FT)




Width

RollerDia.


P W D




LoadMin. Tensile

Strength

lbs lbs lbs lbs

Approx.Weight

(lbs/FT)




Type of Lubrication

10 25 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 950 1000 1050 1100


11 6.05 13.8 25.7 48.0 69.2 89.7 110 129 149 149 124 106 92 80.7 71.6 64.1 57.8 52.4 47.9 44.0 40.5 37.5 34.9 32.6

12 6.65 15.1 28.3 52.8 76.0 98.5 120 142 164 169 142 121 105 92.0 81.6 73.1 65.8 59.8 54.6 50.1 46.1 42.8 39.7 37.0

13 7.24 16.5 30.8 57.5 82.8 107 131 154 178 190 160 137 118 104 92.0 82.3 74.3 67.4 61.5 56.4 52.0 48.3 44.8 20.1

14 7.84 18.0 33.4 62.3 89.8 116 142 168 193 213 178 153 132 116 103 92.0 83.0 75.3 68.8 63.1 58.2 53.9 50.1

15 8.46 19.3 35.9 67.2 96.8 125 153 181 208 233 198 169 146 129 114 102 92.0 83.5 76.3 70.0 64.5 59.8 55.5

16 9.06 20.6 38.6 72.0 104 134 165 193 223 251 218 186 161 142 126 112 101 92.0 84.0 77.1 71.0 65.8 51.3

17 9.68 22.1 41.2 76.8 111 143 176 206 237 268 239 204 177 155 138 123 111 101 92.0 84.5 77.9 72.1 13.0

18 10.3 23.5 43.8 81.8 118 153 186 220 252 284 260 223 193 169 150 134 121 110 100 92.0 84.9 78.6

19 10.9 24.9 46.5 86.7 125 162 197 233 268 302 282 241 209 184 162 145 131 119 109 99.7 92.0 85.1

20 11.5 26.3 49.1 91.6 132 172 209 247 283 319 304 260 225 198 176 157 142 129 117 108 99.3 51.5

21 12.2 27.7 51.7 96.5 139 180 220 260 298 336 328 280 243 213 189 169 153 138 126 116 107

22 12.8 29.2 54.4 102 146 189 232 273 314 354 351 300 260 228 202 181 164 149 135 124 115

23 13.4 30.6 57.1 107 153 198 243 287 328 371 375 320 277 244 216 193 174 158 145 133

24 14.1 32.0 59.8 112 161 208 255 300 345 389 401 342 296 260 231 206 186 169 154

25 14.7 33.5 62.5 117 168 217 265 314 361 406 426 363 315 276 245 220 198 180

28 16.6 37.8 70.6 132 190 245 300 354 408 458 505 430 374 328 291 260

30 17.8 40.8 76.1 142 205 265 324 382 438 495 550 479 414 363 323

32 19.2 43.7 81.5 153 220 284 347 409 471 529 590 527 456 401 355

35 21.2 48.1 89.8 168 241 312 382 450 517 584 649 602 521

40 24.4 55.6 104 193 279 362 442 520 598 674 749 736

45 27.7 63.1 118 220 316 410 501 591 680 765 851

50 31.1 70.8 132 247 355 460 562 662 761 858

55 34.5 78.4 146 273 394 509 623 735 843

60 37.8 86.2 161 300 432 560 685 807

RC180 180 2.250 1.406 1.406 0.687 2.815 3.043 3.122 1.409 1.638 2.591 0.280 2.118 1.835 69286 74800 81400 13860 8.52

RC180-2 180-2 5.409 5.638 5.717 138572 149600 162800 23562 16.76

RC180-3 180-3 8.004 8.232 8.311 207858 224400 244200 34650 25.01

RC180-4 180-4 10.594 10.823 10.902 277144 299200 325600 45738 33.26

RC180-5 180-5 13.185 13.413 13.492 346430 374000 407000 54054 41.51


A B C

TR

AN

SM

ISS

ION

RO

LLER

CH

AIN

ANSI

26


Dimensions



Width

RollerDia.


P W D




LoadMin. Tensile

Strength

lbs lbs lbs lbs

Unit (inch)

Approx.Weight

(lbs/FT)




Type of Lubrication

10 15 20 30 40 50 60 80 100 150 200 250 300 350 400 450 550 600 650 700 750 800 850 900


11 7.86 11.30 14.60 21.20 27.30 33.50 39.40 51.10 62.50 89.90 116 142 168 193 161 135 100 87.80 77.90 69.70 62.90 57.10 52.10 47.90

12 8.63 12.40 16.10 23.20 30.00 36.70 43.30 56.20 68.60 98.80 128 157 185 212 184 154 114 100 88.70 79.40 71.60 65.00 59.40 54.40

13 9.41 13.50 17.60 25.30 32.80 40.10 47.20 61.10 74.80 108 139 170 201 231 208 174 129 113 100 89.50 80.70 73.30 66.90 61.40

14 10.20 14.70 19.00 27.50 35.50 43.40 51.20 66.20 81.00 117 151 185 217 251 232 194 143 126 112 100 90.20 81.90 74.80 40.50

15 11.00 15.80 20.50 29.50 38.20 46.80 55.10 71.40 87.30 126 164 200 235 269 257 216 160 139 124 111 100 90.90 83.00 2.12

16 11.80 17.00 22.00 31.60 41.00 50.10 59.10 76.50 93.60 135 174 213 252 290 283 237 176 154 137 122 110 100 91.40

17 12.60 18.10 23.50 33.80 43.80 53.50 63.10 81.80 99.90 143 186 228 268 308 310 260 192 169 150 134 121 110 100

18 13.40 19.30 24.90 35.90 46.60 57.00 67.20 87.00 106 153 198 243 286 328 338 283 209 184 164 146 132 119 71.2

19 14.20 20.40 26.50 38.10 49.50 60.30 71.20 92.20 113 162 210 257 303 349 366 307 227 200 177 158 142 129

20 15.00 21.60 28.00 40.30 52.10 63.80 75.20 97.50 119 172 223 272 320 367 395 331 245 216 190 170 154

21 15.80 22.80 29.50 42.50 55.10 67.30 79.20 103 125 181 235 287 338 387 425 357 264 232 205 184

22 16.60 24.00 31.00 44.60 57.90 70.80 83.40 108 132 190 247 302 355 408 456 382 283 248 220 197

23 17.40 25.10 32.60 46.90 60.70 74.30 87.40 113 138 200 259 316 373 428 483 409 303 265 236

24 18.20 26.30 34.00 49.10 63.50 77.70 91.60 119 145 209 271 331 390 448 505 436 323 283 251

25 19.00 27.50 35.70 51.30 66.50 81.20 95.70 124 151 218 283 346 408 468 528 464 343 300

28 21.60 31.10 40.20 57.90 75.10 91.80 108 141 172 247 319 390 460 529 597 550 406

30 23.20 33.50 43.30 62.50 80.80 98.90 116 151 185 265 345 421 496 570 642 609

32 24.90 35.90 46.50 66.90 86.70 106 125 162 198 286 369 452 532 611 689 670

35 27.50 39.50 51.20 77.70 95.60 117 138 185 221 314 406 497 586 673 759

40 31.60 45.70 59.10 87.90 110 135 160 206 252 363 469 574 677 777

45 36.10 51.90 67.20 96.80 125 153 181 233 286 412 534 653 768

50 40.30 58.00 75.20 108 141 172 202 263 320 461 598 731 861

55 44.80 64.30 83.40 120 155 190 224 291 355 512 662 810

60 49.10 70.80 91.70 132 172 209 247 319 390 562 728 890

RC200 200 2.500 1.500 1.562 0.781 3.067 3.346 3.437 1.535 1.811 2.819 0.315 2.362 2.047 77845 96800 105600 16500 11.06

RC200-2 200-2 5.890 6.165 6.260 155690 193600 211200 28050 21.79

RC200-3 200-3 8.713 8.988 9.079 233534 290400 316800 41250 32.52

RC200-4 200-4 11.531 11.807 11.898 311379 387200 422400 54450 43.25

RC200-5 200-5 14.350 14.626 14.717 389224 484000 528000 64350 53.98

A B C


TR

AN

SM

ISS

ION

RO

LLER

CH

AIN

ANSI

27

5 10 15 20 25 30 40 50 60 80 100 125 150 175 200 250 300 350 400 450 500 550 600 650


P W D lbs lbs lbs lbs

RC240 240 3.000 1.875 1.875 0.937 3.748 4.051 4.150 1.878 2.177 3.457 0.374 2.815 2.441 112259 139700 154000 22220 15.62

RC240-2 240-2 7.209 7.512 7.610 224519 279400 308000 37774 30.85

RC240-3 240-3 10.665 10.969 11.067 336778 419100 462000 55550 46.07

RC240-4 240-4 14.122 14.425 14.524 449038 558800 616000 73326 61.22

RC240-5 240-5 17.579 17.882 17.980 561297 698500 770000 86658 76.44




Type of Lubrication


A B C

11 6.78 12.70 18.20 23.60 28.80 34.00 44.10 53.90 63.50 82.30 101 123 145 166 188 229 271 228 186 157 134 116 102 90.10

12 7.45 13.90 20.00 26.00 31.80 37.40 48.40 59.20 69.70 90.30 110 135 160 182 206 252 298 260 213 178 153 132 116 59.50

13 8.12 15.10 21.80 28.30 34.60 40.80 52.80 64.60 76.00 98.50 121 147 173 200 225 275 324 294 240 201 172 149 131 21.00

14 8.81 16.50 23.70 30.70 37.50 44.10 57.20 70.00 82.40 107 130 160 188 216 244 298 351 327 268 225 192 166 146

15 9.48 17.70 25.50 33.00 40.30 47.60 61.70 75.30 88.70 115 141 172 202 233 263 320 378 363 298 249 213 185 162

16 10.20 19.00 27.30 35.40 43.30 51.10 66.10 80.80 95.20 123 150 185 217 249 282 343 405 399 327 275 235 204 174

17 10.90 20.20 29.20 37.80 46.20 54.40 70.50 86.20 102 132 161 197 232 267 300 367 433 438 359 300 256 223 135

18 11.50 21.60 31.10 40.20 49.20 57.90 75.10 91.70 108 141 172 209 247 283 319 390 460 477 391 327 280 243 97.30

19 12.20 22.80 33.00 42.60 52.10 61.40 79.50 97.20 115 149 181 221 261 300 339 414 488 517 424 355 303 263 59.00

20 12.90 24.10 34.90 45.00 55.10 64.90 84.00 103 121 157 192 235 276 318 358 437 516 559 457 383 327 284 20.50

21 13.70 25.50 36.70 47.50 58.00 68.40 88.50 108 128 165 202 247 291 335 377 461 543 602 492 413 353 273

22 14.30 26.80 38.60 50.00 61.00 72.00 93.20 114 134 174 213 260 306 351 397 485 571 645 528 442 378 236

23 15.00 28.20 40.50 52.40 64.10 75.50 97.70 120 141 182 223 272 322 369 417 509 599 689 564 473 403 197

24 15.80 29.40 42.40 54.80 67.00 79.10 102 125 147 192 233 286 336 386 436 532 627 721 602 504 430

25 16.50 30.70 44.20 57.40 70.10 82.60 107 131 154 200 244 299 351 403 456 556 655 753 639 536 440

28 18.60 34.70 50.00 64.70 79.20 93.30 121 147 174 225 276 338 397 457 515 629 741 851 757 635

30 20.10 37.40 53.90 69.80 85.40 101 130 160 188 243 298 363 428 492 555 678 799 918 840

32 21.40 40.10 57.80 74.80 91.60 108 139 170 201 261 319 390 458 527 595 727 857 984 920

35 23.70 44.20 63.70 82.40 100 119 154 188 221 287 351 429 505 580 655 800 944 1084

40 27.30 51.10 73.60 95.30 116 137 178 217 256 331 405 496 584 672 756 925 1090

45 31.10 58.00 83.50 108 132 155 202 247 291 377 461 563 664 761 859 1051

50 34.90 65.00 93.60 121 149 174 227 276 326 422 516 631 743 854 962 1177

55 38.60 72.00 104 134 165 193 251 307 361 468 572 700 824 946 1067

60 42.40 79.10 114 147 181 213 275 336 397 513 629 768 905 1040 1173

Unit (inch)

Approx.Weight

(lbs/FT)

Dimensions



Width

RollerDia.





LoadMin. Tensile

Strength


TR

AN

SM

ISS

ION

RO

LLER

CH

AIN

ANSI

28

ANSI Heavy Type Roller Chain

RC60H 60H 0.750 0.500 0.469 0.235 1.130 1.191 1.228 0.636 0.667 0.126 0.713 10340 1.3

RC80H 80H 1.000 0.625 0.625 0.313 1.413 1.469 1.524 0.770 0.811 0.157 0.945 18480 2.0

RC100H 100H 1.250 0.750 0.750 0.376 1.685 ___ 1.803 ___ 0.961 0.189 1.177 27500 2.8

RC120H 120H 1.500 1.000 0.875 0.437 2.094 ___ 2.224 ___ 1.177 0.220 1.413 38500 4.1

RC140H 140H 1.750 1.000 1.000 0.500 2.240 ___ 2.429 ___ 1.311 0.252 1.650 53900 5.9

RC160H 160H 2.000 1.250 1.007 0.563 2.638 ___ 2.819 ___ 1.504 0.280 1.882 68200 7.3

RC200H 200H 2.500 1.500 1.563 0.781 3.335 ___ 3.610 ___ 1.945 0.374 2.362 116600 12.9

RC240H 240H 3.000 1.875 1.875 0.937 4.276 ___ 4.579 ___ 2.429 0.500 2.815 180400 19.0

DID


Width

RollerDia.

Pin Plate

P W D

DIDApprox. Weight

(lbs/ft)lbs



d E F G f g T H

TR

AN

SM

ISS

ION

RO

LLER

CH

AIN

Cotter TypeClip Type

DID


Width

RollerDia.

Pin Plate

P W D

DID DIDAvg. Tensile

StrengthApprox. Weight

(lbs/ft)lbs lbs


Max AllowableLoad

d E G T H h

RA2040 A2040 1.000 0.313 0.312 0.156 0.325 0.398 0.059 0.461 0.394 3828 594 0.27

RA2050 A2050 1.250 0.375 0.400 0.200 0.400 0.472 0.079 0.559 0.512 6446 990 0.44

RA2060 A2060 1.500 0.500 0.469 0.235 0.500 0.594 0.094 0.677 0.598 9020 1452 0.64

RA2080 A2080 2.000 0.625 0.625 0.313 0.646 0.748 0.126 0.917 0.748 15400 2530 1.16

RA2100 A2100 2.500 0.750 0.750 0.376 0.791 0.898 0.157 1.134 0.965 25300 4180 1.72

RA2120 A2120 3.000 1.000 0.875 0.437 0.996 1.110 0.189 1.331 1.142 35200 5720 2.47

A Type Double Pitch Roller Chain

H

p p

h

e

g

e

d

g

D

T

W

Clip TypeCotter Type

ANSI

ANSI

29

Cotter Type CP Offset Link 2P Offset Link

Note: Value in above table is for single strand chain only. For multiplex chain, please apply the coefficient of Multi-strand.

Please refer to chain selection on p.64

Unit (inch)Max. Horsepower Ratings

FeaturesD.I.D K Series roller chain is designed to obtain higher tensile strength and shock load capacity with the same physical dimensions as ANSI standard

roller chain. K Series roller chain is recommended for slow to moderate speed drive and heavy load conditions, such as oilfield applications.

RC80K 80 1 0.625 0.625 0.313 1.283 1.394 1.461 0.646 0.748 1.154 0.126 0.945 0.819 17,820 3,520 1.8

RC80K-2 80-2 2.437 2.547 2.610 35,640 5,984 3.5

RC80K-3 80-3 3.594 3.701 3.744 53,460 8,800 5.3

RC80K-4 80-4 4.748 4.854 4.898 80,080 11,616 7.0

RC100K 100 1.25 0.750 0.750 0.376 1.555 1.673 1.780 0.780 0.894 1.409 0.157 1.177 1.024 27,280 5,500 2.7

RC100K-2 100-2 2.965 3.083 3.193 54,560 9,350 5.3

RC100K-3 100-3 4.378 4.496 4.535 81,840 13,750 7.9

RC100K-4 100-4 5.787 5.906 5.945 109,120 18,150 10.4

RC120K 120 1.5 1.000 0.875 0.437 1.957 2.087 2.209 0.980 1.110 1.787 0.189 1.413 1.228 39,600 7,480 3.9

RC120K-2 120-2 3.748 3.878 3.921 79,200 12,716 7.7

RC120K-3 120-3 5.535 5.665 5.709 118,800 18,700 11.5

RC120K-4 120-4 7.327 7.457 7.500 158,400 24,684 15.3

RC140K 140 1.75 1.000 1.000 0.500 2.110 2.299 2.346 1.055 1.248 1.925 0.220 1.650 1.429 52,800 9,900 5.1

RC140K-2 140-2 4.039 4.228 4.276 105,600 16,830 10.1

RC140K-3 140-3 5.965 6.154 6.201 158,400 24,750 15.2

RC140K-4 140-4 7.894 8.083 8.130 211,200 32,670 20.2

RC160K 160 2 1.250 1.125 0.563 2.504 2.685 2.744 1.256 1.437 2.303 0.252 1.882 1.630 68,200 12,760 6.8

RC160K-2 160-2 4.811 4.992 5.051 136,400 21,692 13.1

RC160K-3 160-3 7.118 7.299 7.358 204,600 31,900 19.4

RC160K-4 160-4 9.421 9.598 9.661 272,800 42,108 25.5

RC180K 180 2.25 1.406 1.406 0.687 2.815 3.043 3.122 1.409 1.638 2.591 0.280 2.118 1.835 88,000 15,180 9.1

RC180K-2 180-2 5.409 5.638 5.717 176,000 25,806 17.3

RC180K-3 180-3 8.004 8.232 8.311 264,000 37,950 25.5

RC180K-4 180-4 10.594 10.823 10.902 352,000 50,094 33.8

RC200K 200 2.5 1.500 1.562 0.781 3.067 3.346 3.437 1.535 1.811 2.819 0.315 2.362 2.047 106,700 17,160 11.3

RC200K-2 200-2 5.890 6.165 6.260 213,400 29,172 21.1

RC200K-3 200-3 8.713 8.988 9.079 320,100 42,900 31.0

RC200K-4 200-4 11.531 11.807 11.898 426,800 56,628 40.8

RC240K 240 3 1.875 1.875 0.937 3.748 4.051 4.150 1.878 2.177 3.457 0.374 2.815 2.441 155,100 22,880 16.3

RC240K-2 240-2 7.209 7.512 7.610 310,200 38,896 29.8

RC240K-3 240-3 10.665 10.969 11.067 465,300 57,200 43.3

RC240K-4 240-4 14.122 14.425 14.524 620,400 75,306 56.9

Chain No.

DID

ANSIPitch

Roller Link

Width

Roller (Bush)

Dia.

P W D d E G L e g C T H h lbs lbs (lbs/FT)

PinTrans-versePitch

PlateDID

Avg. Tensile Strength

DID Max. Allowable

Load

Approx.Weight

ULT

IMA

TE P

OW

ER S

ERIE

S

2-2 Ultimate Power Series Roller Chain

2-2-1 HI*PWR K Series Roller Chain

FeaturesAll D.I.D Ultimate Power Series Roller Chains feature through hardened and quad staked pins and superior materials on other components.

Multiple strand chains have semi press fit center plates and bushed center plates for connecting links to increase the fatigue strength and shock

load capacity.

30

FeaturesKS type roller chain are enhanced in fatigue strength and shock

strength without changing the dimension in the pin length direction

of standard roller chains. Plates are enlarged, and the machining

accuracy and assembling accuracy of components are improved.

The roller chains hold high transmission efficiency for applications

from low to high speeds and are powerful enough to withstand

long-term use.

Cautions for use1. As connecting links, use semi-press fit type connecting links

for KS Series. In a semi-press fit type connecting link, the

pins are lightly interference-fitted with the connecting plate.

For the connection between the connecting plate and the

connecting pins, roll pins are used instead of the cotter pins.

Never make the holes of the connecting plate larger and never

make the pins thinner to facilitate the work for fitting the pins

into the connecting plate, since otherwise the fatigue strength

will be reduced. The intermediate plates of a semi-press fit

type connecting link for multiplex chain has bushings pressed in.

2. KS type roller chain do not have offset links. Use in an even

number of links.

3. In general, select your chain with reference to “Designing of

rol ler chain transmission”and also to the tables of

maximum horsepower ratings and dimensions of KS type roller

chains (P.30 - 38).

4. The avaiable number of strands is up to triple strands.ApplicationsCompared to standard roller chain, KS type roller chain are higher

in maximum horsepower rating by about 30 percent in a medium

to low speed range. They perform excellent in places where large

shock loads apply, frequent start/stop drives, and also in relatively

high speed applications.

<Applications> Civil engineering machines such as power

shovels, trenchers, trucks, cranes and truck

mixers agitators, and shock-applied drives

for conveyors, elevators, stackers,etc.

2-2-2 HI*PWR KS Series Roller Chain

Unit (inch)

Approx.Weight

(lbs/FT)

Dimensions

DID d E G L g C T H h


Width

RollerDia. Pin PlateTrans-

versePitch

DID DID DIDJISMin. Tensile Strength Avg. Tensile Strength Max. Allowable LoadMin. Tensile Strength

P W D lbs lbs lbs lbs

Equivalentto

ANSI

RC80KSR 80 1.000 0.625 0.625 0.313 1.283 1.394 0.646 0.748 1.154 0.126 0.949 0.819 12474 16940 18920 4180 1.89

RC100KSR 100 1.250 0.750 0.750 0.376 1.555 1.673 0.780 0.894 1.409 0.157 1.185 1.024 19450 26180 28600 6820 2.80

RC120KSR 120 1.500 1.000 0.875 0.437 1.957 2.087 0.980 1.110 1.787 0.189 1.425 1.228 27953 38500 41800 9020 4.10

RC140KSR 140 1.750 1.000 1.000 0.500 2.110 2.299 1.055 1.248 1.925 0.220 1.661 1.429 37913 50600 55000 12100 5.17

RC160KSR 160 2.000 1.250 1.125 0.563 2.504 2.685 1.256 1.437 2.303 0.252 1.898 1.630 49892 64680 70400 15840 7.04

RC180KSR 180 2.250 1.406 1.406 0.687 2.815 3.043 1.409 1.638 2.591 0.280 2.134 1.835 84920 92400 18700 9.66

RC200KSR 200 2.500 1.500 1.562 0.781 3.067 3.346 1.535 1.811 2.819 0.315 2.370 2.047 77845 103180 112200 22000 11.73

RC240KSR 240 3.000 1.875 1.875 0.937 3.748 4.051 1.878 2.177 3.457 0.374 2.843 2.441 114459 149600 162800 29700 16.56

Maximum Horsepower rating diagram

RC160

RC160 KSR

RC140

RC140 KSR

ULT

IMA

TE P

OW

ER S

ERIE

S



31

RC80KS

25 50 100 200 300 400 500 700 900 1000


A B C


Type of Lubrication

RC80KSR 80 1.000 0.625 0.625 0.313 1.283 1.394 0.646 0.748 1.154 0.126 0.949 0.819 12474 16940 18920 4180 1.89

RC80KS-2R 80-2 2.437 2.547 24948 33880 37840 7106 3.76

RC80KS-3R 80-3 3.594 3.701 37422 50820 56760 10450 5.53

11 1.97 3.69 6.88 12.80 18.50 24.00 29.20 39.70 32.20

12 2.17 4.05 7.55 14.10 20.20 26.30 32.20 43.60 36.60

13 2.36 4.41 8.23 15.40 22.10 28.70 35.10 47.50 41.30

14 2.56 4.79 8.93 16.60 24.00 31.10 37.90 51.50 46.10

15 2.76 5.15 9.61 18.00 25.90 33.50 40.90 55.40 51.20

16 2.96 5.52 10.30 19.30 27.70 35.90 43.80 59.40 56.40

17 3.16 5.90 11.00 20.50 29.60 38.30 46.80 63.40 61.80

18 3.36 6.27 11.70 21.80 31.50 40.80 49.90 67.40 67.30

19 3.57 6.65 12.40 23.20 33.40 43.20 52.80 71.40 73.10

20 3.77 7.02 13.10 24.50 35.30 45.70 55.80 75.50 78.80 67.30

21 3.97 7.41 13.80 25.70 37.10 48.10 58.80 79.60 84.90 72.40

22 4.17 7.79 14.50 27.10 39.00 50.70 61.90 83.80 90.90 77.60

23 4.38 8.18 15.30 28.40 41.00 53.10 64.90 87.90 97.20 83.00

24 4.58 8.55 16.00 29.80 42.90 55.60 68.00 92.00 104.00 88.50

25 4.79 8.94 16.80 31.10 44.90 58.20 71.00 96.10 110.00 94.10

28 5.42 10.10 18.90 35.30 50.70 65.70 80.30 109.00 131.00 112.00

30 5.83 10.90 20.40 37.90 54.60 70.80 86.50 117.00 145.00 124.00

32 6.26 11.70 21.80 40.60 58.60 75.90 92.80 125.00 157.00 137.00

35 6.89 12.90 24.00 44.80 64.50 83.50 102.00 138.00 173.00 155.00

40 7.96 14.90 27.70 51.70 74.50 96.50 118.00 160.00 200.00 190.00

lbs lbs lbs lbs d E G e g C T H hDID

Chain No. Pin PlateTrans- verse PitchANSI

Pitch

P W D

Roller Link

Width

Roller (Bush)

Dia.

JIS DID DID DID

Min. Tensile Strength



Max AllowableLoad

Approx.

Weight

(lbs/ft)



ULT

IMA

TE P

OW

ER S

ERIE

S



32

10 25 50 100 200 300 400 500 600 700 800 900

RC100KS



Pitch

P W D

Roller Link

Width

Roller (Bush)

Dia.

JIS DID DID DID




Max AllowableLoad

Approx. Weight(lbs/ft)


A B C


Type of Lubrication

RC100KSR 100 1.250 0.750 0.750 0.376 1.555 1.673 0.780 0.894 1.409 0.157 1.185 1.024 19450 26180 28600 6820 2.80

RC100KS-2R 100-2 2.965 3.083 38900 52360 57200 11594 5.51

RC100KS-3R 100-3 4.378 4.496 58351 78540 85800 17050 8.18

11 1.41 3.22 5.99 11.20 20.90 30.00 39.00 47.60 56.00 56.00

12 1.54 3.53 6.58 12.30 22.90 33.00 42.80 52.30 61.70 63.80

13 1.69 3.85 7.17 13.40 25.10 36.10 46.60 57.00 67.20 72.00

14 1.82 4.17 7.77 14.50 27.10 39.00 50.50 61.80 72.80 80.40

15 1.97 4.49 8.38 15.70 29.20 42.00 54.40 66.50 78.40 89.30 73.10

16 2.10 4.81 8.98 16.80 31.20 45.00 58.30 71.30 84.00 96.60 80.40

17 2.25 5.13 9.58 18.00 33.40 48.10 62.30 76.10 89.80 103.00 88.10

18 2.40 5.47 10.20 19.00 35.50 51.20 66.40 81.00 95.40 110.00 96.00

19 2.55 5.79 10.80 20.20 37.70 54.30 70.20 85.90 101.00 116.00 104.00

20 2.68 6.13 11.40 21.30 39.80 57.40 74.30 90.80 107.00 123.00 112.00

21 2.83 6.46 12.10 22.50 42.00 60.50 78.30 95.70 113.00 129.00 121.00

22 2.98 6.78 12.70 23.60 44.10 63.50 82.30 101.00 119.00 137.00 130.00

23 3.12 7.12 13.30 24.80 46.20 66.60 86.30 106.00 124.00 143.00 138.00

24 3.27 7.45 13.90 26.00 48.50 69.80 90.50 111.00 130.00 150.00 147.00

25 3.42 7.79 14.60 27.20 50.70 72.90 94.50 116.00 137.00 157.00 157.00

28 3.86 8.81 16.50 30.70 57.20 82.40 107.00 131.00 154.00 177.00 186.00

30 4.16 9.49 17.70 33.10 61.70 88.90 115.00 141.00 166.00 190.00 206.00

32 4.46 10.20 19.00 35.40 66.10 95.30 123.00 151.00 178.00 204.00 228.00 190.00

35 4.92 11.20 20.90 39.00 72.80 105.00 135.00 166.00 196.00 225.00 253.00 218.00

40 5.67 12.90 24.10 45.00 84.20 121.00 157.00 192.00 227.00 260.00 294.00 267.00



ULT

IMA

TE P

OW

ER S

ERIE

S



33

RC120KS



Pitch

P W D

Roller Link

Width

Roller (Bush)

Dia.

JIS DID DID DID




Max AllowableLoad

Approx.

Weight

(lbs/ft)

RC120KSR 120 1.500 1.000 0.875 0.437 1.957 2.087 0.980 1.110 1.787 0.189 1.425 1.228 27953 36300 41800 9020 4.10

RC120KS-2R 120-2 3.748 3.878 55906 72600 83600 15334 8.18

RC120KS-3R 120-3 5.535 5.665 83860 108900 125400 22550 12.20

10 25 50 100 150 200 300 400 500 600 700 800



A B C


Type of Lubrication

Dimensions

11 2.52 5.75 10.70 20.00 28.80 37.40 53.80 69.70 85.30 81.60

12 2.76 6.31 11.80 22.00 31.60 41.00 59.10 76.50 93.60 93.00

13 3.02 6.89 12.80 24.00 34.60 44.80 64.50 83.50 102.00 105.00

14 3.27 7.45 13.90 26.00 37.40 48.50 69.80 90.50 111.00 117.00

15 3.53 8.03 15.00 26.80 40.30 52.30 75.20 97.50 119.00 130.00

16 3.78 8.62 16.10 30.00 43.20 56.00 80.70 104.00 128.00 143.00

17 4.03 9.20 17.20 32.00 46.10 59.80 86.10 112.00 137.00 157.00 125.00

18 4.29 9.79 18.20 34.00 49.10 63.50 91.60 119.00 145.00 170.00 135.00

19 4.54 10.40 19.30 36.10 52.00 67.40 97.10 126.00 154.00 181.00 147.00

20 4.80 11.00 20.50 38.20 55.00 71.20 103.00 133.00 162.00 192.00 160.00

21 5.07 11.60 21.60 40.20 57.90 75.10 108.00 141.00 172.00 202.00 172.00

22 5.32 12.10 22.70 42.40 61.00 79.00 114.00 147.00 180.00 212.00 184.00

23 5.59 12.70 23.90 44.40 63.90 82.80 119.00 154.00 189.00 223.00 196.00

24 5.86 13.40 24.90 46.50 66.90 86.70 125.00 162.00 198.00 233.00 209.00

25 6.11 13.90 26.00 48.50 70.00 90.60 131.00 169.00 206.00 244.00 223.00

28 6.92 15.80 29.50 55.00 79.10 102.00 147.00 192.00 233.00 275.00 263.00

30 7.44 17.00 31.60 59.10 85.30 110.00 160.00 206.00 252.00 296.00 292.00

32 7.99 18.20 34.00 63.40 91.30 118.00 170.00 221.00 269.00 318.00 322.00

35 8.79 20.10 37.40 69.80 101.00 130.00 188.00 243.00 298.00 350.00 367.00

40 10.20 23.20 43.30 80.70 116.00 150.00 217.00 282.00 343.00 405.00 315.00 367.00

ULT

IMA

TE P

OW

ER S

ERIE

S

Unit (inch)



34

10 25 50 100 150 200 250 300 350 400 450 500 550 600

RC140KS



Pitch

P W D

Roller Link

Width

Roller (Bush)

Dia.

JIS DID DID DID




Max AllowableLoad





Type of Lubrication

RC140KSR 140 1.750 1.000 1.000 0.500 2.110 2.299 1.055 1.248 1.925 0.220 1.661 1.429 37913 48400 55000 12100 5.17

RC140KS-2R 140-2 4.039 4.228 75825 96800 110000 20570 10.26

RC140KS-3R 140-3 5.965 6.154 113738 145200 165000 30250 15.36

Dimensions

11 3.87 8.85 16.50 30.80 44.40 57.50 70.20 82.80 95.00 107.00 119.00 121.00 105.00 92.40

12 4.26 9.72 18.10 33.80 48.80 63.10 77.20 90.90 104.00 118.00 131.00 138.00 120.00 105.00

13 4.64 10.60 19.80 36.90 53.10 68.90 84.20 99.20 114.00 128.00 143.00 155.00 135.00 119.00

14 5.03 11.50 21.40 39.90 57.50 74.50 91.20 107.00 123.00 139.00 154.00 170.00 150.00 133.00

15 5.42 12.40 23.10 43.00 62.10 80.30 98.30 116.00 133.00 150.00 166.00 184.00 168.00 147.00

16 5.80 13.30 24.80 46.10 66.50 86.20 105.00 124.00 142.00 161.00 178.00 197.00 185.00 162.00

17 6.21 14.20 26.40 49.30 71.00 92.00 112.00 132.00 153.00 172.00 190.00 209.00 202.00 177.00

18 6.60 15.00 28.20 52.40 75.50 97.90 120.00 141.00 162.00 182.00 202.00 223.00 220.00 193.00

19 7.00 16.00 29.80 55.60 80.00 104.00 127.00 149.00 172.00 193.00 216.00 236.00 239.00 210.00

20 7.40 16.90 31.50 58.70 84.60 110.00 134.00 158.00 181.00 205.00 228.00 251.00 259.00 227.00

21 7.79 17.80 33.20 61.90 89.10 116.00 141.00 166.00 192.00 216.00 240.00 264.00 277.00 244.00

22 8.19 18.80 34.90 65.10 93.80 121.00 149.00 176.00 201.00 227.00 252.00 277.00 298.00 261.00

23 8.61 19.00 36.60 68.40 98.40 127.00 155.00 184.00 210.00 237.00 264.00 291.00 316.00 279.00

24 9.01 20.50 38.30 71.60 103.00 134.00 164.00 192.00 221.00 249.00 277.00 304.00 331.00 298.00

25 9.41 21.40 40.10 74.80 108.00 139.00 170.00 201.00 231.00 260.00 290.00 318.00 347.00 316.00

28 10.60 24.30 45.30 84.50 122.00 158.00 193.00 227.00 261.00 294.00 327.00 359.00 391.00 375.00

30 11.50 26.10 48.80 91.00 131.00 170.00 208.00 244.00 282.00 316.00 353.00 387.00 422.00 417.00

32 12.30 28.00 52.30 97.60 141.00 182.00 223.00 263.00 302.00 339.00 378.00 416.00 453.00 458.00

35 13.50 30.80 57.60 108.00 155.00 201.00 245.00 290.00 332.00 374.00 416.00 457.00 499.00 524.00

40 15.70 35.70 66.50 124.00 178.00 232.00 283.00 334.00 383.00 433.00 481.00 528.00 576.00

A B C

Ult

imat

e P

ower

Ser

ies

ULT

IMA

TE P

OW

ER S

ERIE

S

Unit (inch)



35

RC160KS



Pitch

P W D

Roller Link

Width

Roller (Bush)

Dia.

JIS DID DID DID




Max AllowableLoad





Type of Lubrication

Dimensions

10 25 50 100 150 200 250 300 350 400 450 500 550

A B C

11 5.40 12.30 22.90 42.90 61.80 80.00 97.90 115.00 132.00 149.00 158.00 135.00

12 5.92 13.50 25.20 47.10 67.80 87.90 108.00 127.00 146.00 164.00 181.00 154.00

13 6.46 14.70 27.50 51.30 74.00 95.80 117.00 138.00 158.00 178.00 198.00 174.00

14 7.01 16.00 29.80 55.60 80.20 104.00 127.00 150.00 172.00 194.00 216.00 194.00

15 7.55 17.20 32.20 59.90 86.30 112.00 137.00 161.00 185.00 209.00 232.00 216.00

16 8.10 18.50 34.50 64.20 92.60 120.00 146.00 173.00 198.00 224.00 249.00 237.00

17 8.63 19.70 36.70 68.60 98.80 128.00 157.00 185.00 212.00 239.00 265.00 260.00

18 9.18 20.90 39.10 73.10 105.00 137.00 166.00 196.00 225.00 255.00 283.00 283.00

19 9.75 22.30 41.40 77.30 111.00 145.00 177.00 208.00 239.00 269.00 299.00 307.00 265.00

20 10.30 23.50 43.80 81.80 118.00 153.00 186.00 220.00 252.00 284.00 316.00 331.00 287.00

21 10.90 24.80 46.20 86.20 124.00 161.00 197.00 232.00 267.00 300.00 334.00 357.00 310.00

22 11.40 26.00 48.50 90.60 131.00 169.00 206.00 244.00 268.00 315.00 351.00 382.00 331.00

23 12.00 27.30 50.90 95.20 137.00 177.00 217.00 256.00 294.00 331.00 369.00 405.00 354.00

24 12.50 28.60 53.40 99.60 143.00 186.00 227.00 268.00 307.00 347.00 386.00 424.00 378.00

25 13.10 29.90 55.80 104.00 150.00 194.00 237.00 280.00 322.00 362.00 403.00 442.00 401.00

28 14.90 33.80 63.00 118.00 169.00 220.00 268.00 316.00 363.00 410.00 456.00 500.00 476.00

30 16.00 36.50 68.00 127.00 182.00 236.00 290.00 340.00 391.00 441.00 491.00 539.00 528.00

32 17.20 39.00 72.80 135.00 196.00 253.00 310.00 365.00 420.00 473.00 525.00 578.00 582.00

35 18.90 43.00 80.20 150.00 216.00 279.00 342.00 402.00 462.00 521.00 579.00 637.00 665.00

40 21.70 49.60 92.60 173.00 249.00 323.00 394.00 465.00 534.00 602.00 669.00 736.00 802.00

RC160KSR 160 2.000 1.250 1.125 0.563 2.504 2.685 1.256 1.437 2.303 0.252 1.898 1.630 49892 61160 70400 15840 7.04

RC160KS-2R 160-2 4.811 4.992 99783 122320 140800 26928 13.95

RC160KS-3R 160-3 7.118 7.299 149675 183480 211200 39600 20.92

ULT

IMA

TE P

OW

ER S

ERIE

S

Unit (inch)



36

RC180KS



Pitch

P W D

Roller Link

Width

Roller (Bush)

Dia.

JIS DID DID DID




Max AllowableLoad





Type of Lubrication

RC180KSR 180 2.815 3.043 0 84920 92400 18700 9.66

RC180KS-2R 180-2 2.250 1.406 1.406 .687 5.409 5.638 1.409 1.638 2.591 0.280 2.134 1.835 0 169840 184800 31790 19.18

RC180KS-3R 180-3 8.004 8.232 0 254760 277200 46750 28.63

11 7.02 16.10 29.90 55.80 80.40 104.00 127.00 150.00 173.00

12 7.72 17.60 32.80 61.30 88.30 114.00 139.00 165.00 189.00

13 8.42 19.20 35.80 66.90 96.20 125.00 153.00 180.00 206.00

14 9.12 20.80 38.90 72.40 104.00 135.00 165.00 194.00 224.00

15 9.83 22.40 41.80 78.00 112.00 146.00 178.00 209.00 241.00

16 10.50 24.00 44.80 83.60 121.00 155.00 190.00 225.00 259.00

17 11.20 25.60 47.90 89.30 129.00 166.00 204.00 240.00 276.00

18 12.00 27.30 50.90 95.00 137.00 177.00 217.00 256.00 294.00

19 12.70 29.00 54.00 101.00 145.00 188.00 229.00 271.00 311.00

20 13.40 30.60 57.10 106.00 153.00 198.00 243.00 286.00 328.00 371.00

21 14.10 32.20 60.20 112.00 162.00 209.00 256.00 302.00 347.00 391.00

22 14.90 33.90 63.30 118.00 170.00 220.00 269.00 318.00 365.00 412.00

23 15.50 35.50 66.40 124.00 178.00 231.00 283.00 332.00 382.00 432.00

24 16.40 37.30 69.40 130.00 186.00 241.00 296.00 349.00 401.00 452.00

25 17.00 38.90 72.70 135.00 196.00 253.00 310.00 365.00 418.00 472.00

28 19.30 44.00 82.00 153.00 221.00 286.00 350.00 412.00 473.00 534.00

30 20.80 47.30 88.30 165.00 237.00 308.00 377.00 444.00 509.00 575.00

32 22.30 50.80 94.80 177.00 255.00 330.00 403.00 476.00 546.00 615.00

35 24.50 55.90 104.00 194.00 280.00 363.00 445.00 524.00 602.00 678.00

40 28.30 64.60 121.00 225.00 324.00 420.00 513.00 605.00 694.00 784.00

Dimensions

10 25 50 100 150 200 250 300 350 400

A B C

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RC200KS



Pitch

P W D

Roller Link

Width

Roller (Bush)

Dia.

JIS DID DID DID




Max AllowableLoad





Type of Lubrication

Dimensions

A B C

Unit (hp)

10 15 20 30 40 50 60 80 100 150 200 250

RC200KSR 200 2.500 1.500 1.562 0.781 3.067 3.346 1.535 1.811 2.819 0.315 2.370 2.047 77845 103180 112200 22000 11.73

RC200KS-2R 200-2 5.890 6.165 155690 206360 224400 37400 23.27

RC200KS-3R 200-3 8.713 8.988 233534 309540 336600 55000 34.87

11 9.32 13.40 17.40 25.10 32.40 39.70 46.60 60.50 74.00 107.00 138.00 169.00

12 10.20 14.70 19.00 27.50 35.70 43.60 51.30 66.50 81.20 117.00 151.00 185.00

13 11.20 16.10 20.80 30.00 38.90 47.50 55.90 72.50 88.60 128.00 165.00 202.00

14 12.10 17.40 22.50 32.40 42.10 51.50 60.60 78.60 96.00 138.00 180.00 218.00

15 13.00 18.80 24.30 35.00 45.30 55.40 65.30 84.60 103.00 149.00 193.00 236.00

16 13.90 20.10 26.00 37.50 48.70 59.40 70.00 90.80 111.00 160.00 206.00 253.00

17 14.90 21.40 27.70 40.10 51.90 63.40 74.80 96.80 118.00 170.00 221.00 269.00

18 15.80 22.80 29.60 42.60 55.20 67.40 79.50 103.00 126.00 181.00 235.00 287.00

19 16.80 24.30 31.40 45.20 58.60 71.80 84.30 109.00 134.00 192.00 249.00 304.00

20 17.80 25.60 33.10 47.70 61.80 75.60 89.10 115.00 141.00 204.00 263.00 322.00

21 18.80 26.90 35.00 50.30 62.70 79.60 93.80 122.00 149.00 214.00 277.00 339.00

22 19.70 28.40 36.70 52.90 68.50 83.80 98.80 128.00 157.00 225.00 292.00 357.00

23 20.60 29.80 38.60 55.50 72.00 87.90 104.00 134.00 164.00 236.00 306.00 374.00

24 21.60 31.10 40.30 58.20 75.30 92.10 108.00 141.00 172.00 248.00 320.00 391.00

25 22.70 32.60 42.20 60.70 78.70 96.20 113.00 147.00 180.00 259.00 335.00

28 25.60 36.70 47.70 68.60 89.00 109.00 128.00 166.00 202.00 292.00 378.00

30 27.50 39.70 51.30 74.00 95.80 117.00 138.00 178.00 218.00 315.00 408.00

32 29.50 42.50 55.10 79.40 103.00 126.00 147.00 192.00 235.00 338.00 437.00

35 32.40 46.80 60.60 87.40 113.00 138.00 164.00 212.00 259.00 371.00 481.00

40 37.50 54.00 70.10 101.00 131.00 160.00 188.00 244.00 298.00 429.00 556.00

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Unit (inch)



38

RC240KS)



Pitch

P W D

Roller Link

Width

Roller (Bush)

Dia.

JIS DID DID DID




Max AllowableLoad





Type of Lubrication

Dimensions

A B C

Unit (hp)

5 10 15 20 25 30 40 50 60 80 100 125 150

RC240KSR 240 3.000 1.875 1.875 0.937 3.748 4.051 1.878 2.177 3.457 0.374 2.843 2.441 112259 149600 162800 29700 16.56

RC240KS-2R 240-2 7.209 7.512 224519 299200 325600 50490 32.86

RC240KS-3R 240-3 10.665 10.969 336778 448800 488400 74250 49.15

11 7.98 14.90 21.40 27.70 33.90 39.90 51.70 63.30 74.70 96.60 118.00 145.00 170.00

12 8.75 16.40 23.60 30.60 37.30 44.00 57.00 69.60 81.90 106.00 130.00 158.00 186.00

13 9.54 17.80 25.60 33.20 40.60 47.90 62.10 75.90 89.40 116.00 142.00 173.00 204.00

14 10.30 19.30 27.70 36.10 44.00 51.90 67.20 82.20 96.80 125.00 153.00 188.00 221.00

15 11.10 20.80 29.90 38.90 47.50 55.90 72.40 88.50 104.00 135.00 165.00 202.00 237.00

16 11.90 22.30 32.20 41.60 50.80 59.90 77.60 94.90 112.00 145.00 177.00 216.00 255.00

17 12.80 23.90 34.30 44.40 54.30 63.90 82.80 101.00 119.00 154.00 189.00 231.00 272.00

18 13.50 25.30 36.50 47.30 57.80 68.10 88.20 108.00 127.00 165.00 201.00 245.00 290.00

19 14.30 26.80 38.60 50.10 61.30 72.10 93.40 114.00 134.00 174.00 213.00 260.00 307.00

20 15.10 28.40 40.90 52.90 64.70 76.30 98.80 121.00 142.00 185.00 225.00 276.00 324.00

21 16.10 29.90 43.00 55.80 68.20 80.40 104.00 127.00 150.00 194.00 237.00 291.00 342.00

22 16.90 31.500 45.30 58.70 71.70 84.60 110.00 134.00 158.00 204.00 249.00 306.00

23 17.70 33.00 47.60 61.50 75.20 88.70 115.00 141.00 165.00 214.00 263.00 320.00

24 18.50 34.60 49.70 64.50 78.80 92.90 120.00 147.00 173.00 224.00 275.00 335.00

25 19.30 36.10 52.00 67.40 82.30 97.10 126.00 154.00 181.00 235.00 287.00 351.00

28 21.80 40.80 58.70 76.10 93.00 110.00 142.00 174.00 205.00 265.00 324.00 397.00

30 23.60 44.00 63.30 82.00 100.00 118.00 153.00 188.00 220.00 286.00 349.00 426.00

32 25.20 47.20 67.80 87.90 108.00 127.00 164.00 201.00 236.00 306.00 374.00 457.00

35 27.90 51.90 74.80 96.90 118.00 139.00 181.00 221.00 260.00 338.00 413.00

40 32.20 59.90 86.30 112.00 137.00 161.00 209.00 255.00 300.00 390.00 476.00

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FeaturesHK type roller chain conform to H type of ANSI, and their

inner and outer plates are equal in thickness to those of the

next larger size of standard roller chain. Therefore, the tensile

strength is higher by approximately 20% and the maximum

allowable load is higher by approximately 15% compared to

D.I.D ANSI standard roller chain. However, since the weight

of the chain is also larger, the performance at high speed

declines. So, HK type roller chain are suitable for heavy duty

at low speed.

Multiplex chain and sprocketsHK type roller chain are available up to triplex. Since the

transverse pitches (C dimension: see P.40) are larger than

those of standard chain in the case of duplex or triplex,

standard sprockets cannot be used.

Selection of chainSelect a proper HK type roller chain based on “Slow-speed

selection”. For the maximum allowable load,see the following

table of dimensions.

The tensile strength of connecting links and offset links are listed

below, but the maximum allowable load is somewhat lower than

that of the base chain.

2-2-3 HI*PWR HK Series Roller Chain

d E F G f g T H h lbs lbs lbs

RC50HK 0.625 0.375 0.400 0.200 0.858 0.921 0.496 0.094 0.591 0.512 7480 8140 1936 0.75

RC60HK 0.750 0.500 0.469 0.235 1.130 1.201 1.228 0.634 0.665 0.126 0.713 0.614 10560 11660 2420 1.21

Chain No.

DID

Pin PlatePitchRoller Link

Width

Roller Dia.



Max AllowableLoad


Dimensions Unit (inch)

P W D

Clip Type Cotter Type

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Connecting Link

HK Series Connecting Link and Offset Link

Offset Link

Connecting Link

Applicable

Tensile Strength

Clearance Fit Interference FitInterference Fit

2 Pitch Offset LinkClearance Fit

Clip: RC50 & under

Clip/Cotter: RC60

Clip: RC50 & under

Roll Pin: RC80 & over

Clip/Cotter: RC60

Offset Link

Unavailable for

RC40HK & Smaller

Same as

chain body

Same as

chain body

Same as

chain body

Same as

chain body

2 Pitch Offset Link

Unavailable for

RC40HK & Smaller

40

d E G e g C T H h lbs lbs lbs

HI*PWR HK Series Roller Chain

RC80HK 1.524 0.713 18260 21560 3740 1.99

RC80HK-2 1.000 0.625 0.625 0.313 1.421 2.697 2.807 0.811 1.283 0.157 0.945 0.819 36520 43120 6358 3.94

RC80HK-3 3.984 4.094 54780 64680 9350 5.87

RC100HK 1.819 0.858 27720 31900 5940 2.79

RC100HK-2 1.250 0.750 0.750 0.376 1.717 3.228 3.350 0.961 1.539 0.189 1.177 1.024 55440 63800 10098 5.52

RC100HK-3 4.768 4.886 83160 95700 14850 8.23

RC120HK 2.244 1.067 37400 42900 7700 4.08

RC120HK-2 1.500 1.000 0.875 0.437 2.130 4.024 4.154 1.177 1.925 0.220 1.413 1.228 74800 85800 13090 8.07

RC120HK-3 5.949 6.079 112200 128700 19250 12.03

RC140HK 2.445 1.142 48840 56100 10120 5.91

RC140HK-2 1.750 1.000 1.000 0.500 2.280 4.299 4.488 1.311 2.055 0.252 1.650 1.429 97680 112200 17204 11.69

RC140HK-3 6.354 6.543 146520 168300 25300 17.43

RC160HK 2.843 1.339 62260 71500 13200 7.33

RC160HK-2 2.000 1.250 1.125 0.563 2.677 5.272 5.319 1.504 2.437 0.280 1.882 1.630 124520 143000 22440 14.51

RC160HK-3 7.701 7.760 186780 214500 33000 21.62

RC180HK 3.189 1.488 90200 99000 16060 9.93

RC180HK-2 2.250 1.406 1.406 0.687 2.972 5.906 5.984 1.705 2.724 0.315 2.118 1.835 180400 198000 27302 19.66

RC180HK-3 8.634 8.713 270600 297000 40150 29.30

RC200HK 3.594 1.661 109120 125400 18700 12.85

RC200HK-2 2.500 1.500 1.562 0.781 3.323 6.693 6.783 1.945 3.083 0.374 2.362 2.047 218240 250800 31790 25.45

RC200HK-3 9.780 9.870 327360 376200 46750 37.92

RC240HK 4.551 2.126 172260 198000 25300 18.98

RC240HK-2 3.000 1.875 1.875 0.937 4.252 8.567 8.665 2.429 3.984 0.500 2.815 2.441 344520 396000 43010 37.57

RC240HK-3 12.551 12.650 516780 594000 63250 55.98

Chain No.

DID

Pin PlatePitch Roller Link

Width

Roller Dia.



Max AllowableLoad

Approx. Weight(lbs/ft)P W D

Dimensions

Note: The above chains are of riveted pin type (RP). As for cottered pin type (CP), please consult us.

Semi-Press Fit Connecting Link

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Connecting linksThe best feature of the HKS type roller chains is that they are

high in maximum allowable load. Therefore, interference-fitted

connecting links are used. The connection between the connecting

plate and theconnecting pins is achieved by roll pins. The tensile

strength of connecting link is equivalent to that of the base chain

but the maximum allowable load is somewhat lower than that of

the base chain.

Number of strands and sprocketsThe HKS type roller chain are simplex. As for sprockets,

standard sprockets for simplex chain can be used.

For multiplex chain, please consult us.

d E G g T H h lbs lbs lbs

2-2-4 HI*PWR HKS Series Roller Chain

Chain No.

DID


Width

Roller Dia.



Max AllowableLoad


Dimensions

P W D

RC80HKSR 1.000 0.625 0.625 0.313 1.421 1.524 0.811 0.157 0.949 0.819 19,140 22,000 5,060 2.09

RC100HKSR 1.250 0.750 0.750 0.376 1.717 1.819 0.961 0.189 1.185 1.024 28,380 32,560 7,700 2.93

RC120HKSR 1.500 1.000 0.875 0.437 2.130 2.244 1.177 0.220 1.425 1.228 38,280 44,000 10,120 4.28

RC140HKSR 1.750 1.000 1.000 0.500 2.280 2.445 1.311 0.252 1.669 1.429 49,720 57,200 13,640 6.20

RC160HKSR 2.000 1.250 1.125 0.563 2.677 2.843 1.504 0.280 1.898 1.630 63,140 72,600 17,380 7.70

RC180HKSR 2.250 1.406 1.406 0.687 2.972 3.189 1.705 0.315 2.134 1.835 94,600 103,400 20,460 10.43

RC200HKSR 2.500 1.500 1.562 0.781 3.323 3.594 1.945 0.374 2.370 2.047 116,600 134,200 25,300 13.50

RC240HKSR 3.000 1.875 1.875 0.937 4.252 4.551 2.429 0.500 2.843 2.441 179,960 206,800 34,980 19.93

FeaturesThe DID HKS series roller chain have thicker linkplates than

KS type roller chain, and are the highest in tensile strength and

allowable load among general application chains. Thus being

suitable for low speed heavy duty transmission.

The HKS roller chains are 20 percent higher in tensile strength

and 50 percent higher in maximum allowable load than the

standard roller chain, but since they are also higher in weight,

they are lower in performance at high speed. So, they are

suitable for heavy duty at low speed.

Semi-press Fit

Connecting Link

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The DID general application chain are used for various

applications, and it can sometimes happen that if they are used

without any lubrication at all or in a dusty environment, they

cannot maintain the wear life they are designed for. In such

a case, we recommend the Ultimate Life Chain Series. The

Ultimate Life Chain Series includes Long life chain,

Dai-hard chain, O-ring chain and Sintered bushing roller chain.

The features of the respective chain are described below.

Sintered bushing roller chainSintered bushing roller chain uses bushings made of sintering

alloy steel powder. The porous spaces of the sintered bushings

are impregnated with oil beforehand, to increase the life of the

chain. It is a maintenance free chain that lubricates itself during

operation and offers extended wear life. The chain is very suitable

for applications where the chain cannot be lubricated during the

operation. Furthermore, since the chain has little oil deposit on the

outside, it can be used in a place where a cleanliness is required.

However, Sintered bushing roller chain is for low speed and light

duty applications. For severe environments exposed to water or

dust, etc., the use of an environment resistant chain (P. 52) or

O-ring chain is recommended.

Ultimate Life, Environment Resistance, Low Noise Series chain

V Grease chainA long life chain uses dimensionally accurate solid bushings (split

bushings in the case of standard roller chain), to increase the

beating area with the pins for achieving a longer wear life. If a long

life chain is used with grease lubrication, the life becomes longer

than that of a standard roller chain. Furthermore, if a long life chain

is used with D.I.D patented V grease, the chain will have a much

longer wear life. (A long life chain can be effectively deceased

in initial wear even in a place abundant in oil without grease

lubrication.)

This chain has a pin which is treated with D.I.D’s patented

process that creates an extremely hardened carbide layer,

resisting wear even in adverse conditions including the

presence of abrasive contaminents.

It exhibits excellent performance even under the conditions

where lubrication is not permitted.

DHA chain

O-ring chainGrease is sealed with O-rings between pin and bushing. It can

be used in a very wide range of applications from low speed

to high speed and from light duty to heavy duty, ensuring the

longest of life. O-ring chain is the best chain among chains,

and in view of heavy duty, high speed and maintenance free,

this chain is highest in performance. Furthermore, it is durable

to some extent even at high temperature, and a chain adopting

heat resistant O-rings has actually been used in a 392°F oven.

(Since the pin length becomes longer by two O-rings, refer to the

table of dimensions for chain selections.)

RC25

RC35

RC41

RC40

RC50

RC60

RC80

RC100

RC120

RC140

RC160

RC200

RC240

DHA

DHA

DHA

DHA

DHA

DHA

UR

URN

UR

URN

UR

URN

UR

URN

2-3 Ultimate Life Chain Series

T

T

D

D

D

D

D

LLDR

LLDR

LLDR

LDR

LDR

LDR

LDR

LDR

LDR

LDR

N

N

N

N

N

N

N

N

N

N

N

E

E

E

E

E

E

E

E

TK

TK

TK

TK

TK

TK

TK

TK

SS

SS

SS

SSK

SS

SS

SSK

SS

SSK

SS

SSK

SS

SS

SS

LN

LN

LN

LN

Chain Size

Ultimate Life SeriesEnvironment Resistance

Series

Low Noise Chain

V G

rease

DH

A

O-R

ing

Sin

tere

d B

ush

Rustless

(Nic

kel P

late

d)

Hi-

Gu

ard

Low

Tem

p.

Sta

inle

ss

Low

Nois

e

Note: 1. The chain no. is indicated with the letters in the table following the chain size. For example, RC50DHA 2. UR: Sintered Bushing Roller Chain URN: Rustless Sintered Bushing Roller Chain

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In general, refer to the following criteria when you select an Ultimate

Life Chain.

Wear of chain in contaminated oil1. In a place to allow good lubrication without dust, even a standard

roller chain can be expected to be very long in life. However, in

general, even in “good lubrication”, the entering of worn powder

and “contamination” due to deteriorated oil cannot be avoided

Contamination can remarkably shorten the life of chain.

2. If you wish to prevent the shortening of wear life even with

“contamination”, use Solid bushing chain. Solid bushing chain has

accurate solid bushings, to ncrease the bearing area, and unlike

split bushings, oil dose not leak from the seam of the split bushing.

3. If you need even longer life, DHA chain is recommended. DHA

chain even in contaminated oil has a life of three to seven times

longer than standard chain.

Chain wear due to no maintenanceIf lubrication and maintenance are impossible or difficult, the

initial grease applied in the factory is all the lubrication, and it can

happen that the chain could not last long enough as needed. If you

need adequate long life even though lubrication and maintenance

are difficult, O-ring chain or Sintered bushing roller chain is

recommended. O-ring chain can be dependable even in a dusty

severe environment in a range from low speed to high speed.

Wear of chain in a dusty placeO-ring chain or DHA chain is effective in this condition. An O-ring

chain is the most suitable. O-ring chain has special grease vacuum

sealed between pin and bushing preventing the penetration of dust

from outside, ensuring long life. For applications where O-ring chain

can not be utilized, DHA chain is recommended. DHA chain has

excellent wear resistance because of the surface hardness of the

pins. The performance of Ultimate Life Chain Series is listed in the

following comparison table. For selecting the proper chain, please

refer to the table.

Cautions for sintered bushing roller chain1. Sintered bushing roller chain is available as a series from

RC40 to RC80(UR).

2. Do not use a sintered bushing roller chain in a dusty place.

3. Sintered bushing roller chain is not recommended for

applications subject to shock loads. Sintered bushing chain is

designed for slow speed and light duty applications.

Cautions for sealed chain1. O-ring chain LLDR/LDR is available as a series from

RC35LLDR to RC240LDR.

2. Please bear in mind in your design work, that an O-ring chain

has longer pins than a standard roller chain. An O-ring chain is

equivalent to a standard roller chain in strength.

3. An O-ring chain is not recommended for an environment in

which the nitrile rubber O-ring could be damaged. An

environment in which nitrile rubber is eroded means generally

an application where any of the following chemical materials

is used.

DHA

LLDR LDR

URURN

100%

100%

100%

100%

70%

1.0

1.3

1.5~2

1.0

1.2~1.5

3~7

1.0

1.5~3

1.3

5~12

1.0

1.8~4

1.2~3

5~20

-10ºC~80ºC

(14ºF~176ºF)

2-3-1 Selection of Ultimate Life Chain Series

Chain Size

Available

Temperature

Range

Comparison in strength

Anti wear performance index

Lubrication to be

always possible

Lubrication possible

(initial lubrication only)

Max. Allowable Load Ratio

Standard Roller

Chain

V Grease

Solid Bushing

O-Ring Chain

Chain Selecting method

Used or degraded lubricant

Clean lubricantNormal(dust free)

conditionNormal(dust free)

condition

DHA Chain

Sintered Bushing

Roller Chain

T

D

Maximum

Horsepower

Rating or

Slow-Speed

Selection

Maximum Horsepower

Rating or Slow-Speed

Selection

-10ºC~80ºC

(14ºF~176ºF)

-10ºC~60ºC

(14ºF~140ºF)

-10ºC~100ºC

(14ºF~212ºF)

-10ºC~80ºC

(14ºF~176ºF)

Not available

Approx. 5 on

Slow-Speed

and

Medium duty

Note: 1. Wear resistance performance shows an index compared with standard roller chain as 1.0

2. It is also available in O-ring chain which can be used over 176ºF. Please consult with us.

Comparison Chart of Wear Resistant Chain Series

Gasoline, kerosene, benzene, toluene, trichiene, ether,

ketone (MEK), ethyl acetate, phosphoric acid, ester based

working fluid, organic acid, highly concentrated inorganic acid

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Daido’s “D” AND “T” Series roller chain is manufactured with

a cold forged bushing and is lubricated with a Daido patented

V-Grease. This lubricant extends the wear life up to 4 times

longer than conventional ANSI standard roller chain. This

patented V-Grease adheres to the chain in high revolution

applications and resists being washed away in outdoor usage.

Daido’s D & T Series chain is one of the lowest cost upgrades

available for your roller chain requirements.

Design of chain transmissionA solid bushing chain has the same strength as a standard roller

chain.

Connecting links and offset linksFor the connecting links and offset links of a solid bushing chain,

use standard roller chain series. For RC25HT, no offset link is

available.

d E F G f g T H h lbs lbs

2-3-2 V Grease Series

Chain No.DID


Width

Roller (Bush)


Approx. Weight(lbs/ft)P W D

Max. Allowable Load

Note: Those marked with * indicate bush chains.

RC25HT 0.250 0.125 0.130 0.091 0.354 0.374 — 0.205 — 0.039 0.232 0.205 1320 242 0.107

RC35T 0.625 0.375 0.200 0.141 0.472 0.516 — 0.287 — 0.049 0.354 0.305 2530 484 0.215

RC40D 0.750 0.500 0.312 0.156 0.650 0.693 — 0.374 — 0.059 0.472 0.409 4290 836 0.422

RC50D 1.000 0.625 0.400 0.200 0.799 0.862 — 0.457 — 0.079 0.591 0.512 6930 1540 0.711

RC60D 0.750 0.500 0.469 0.235 1.000 1.059 1.098 0.563 0.594 0.094 0.713 0.614 9900 2090 0.966

RC80D 1.000 0.625 0.625 0.313 1.283 0.000 1.394 0.000 0.748 0.126 0.945 0.819 17600 3300 1.710

RC100D 1.250 0.750 0.750 0.376 1.555 0.000 1.673 0.000 0.898 0.157 1.177 1.024 26620 5060 2.541

Dimensions

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Unit (inch)

Clip Type (RC60 & smaller)

Cotter Type (RC60 & larger)

Offset Link

*

*

45

Perfect lubrication extends the life of the chain. However, it is

not easy to avoid lubricating oil that is deteriorated by the

oxidation of the lubricating oil itself, penetration of wear

residue and dust, etc. In such situations, the DHA chain is

recommended. Even in such severe enviromments where hard

and fine particles are evident without any lubricating oil at all, the

DHA chain shows excellent performance.

Structure of DHADHA refers to a hard layer formed on the surface of a pin. This

layer has a very hard chromium carbide surface as illustrated

in the top illustration. Excellent performance can be expected

even in adverse conditions including the presence of abrasive

contaminents. Furthermore, the DHA pins have excellent rust

protection on pins. The following table compares the properties

of DHA with other surface treatments.

d E F G f g T H h lbs lbs

2-3-3 DHA Chain

The white layer is a layer produced by DHA treatment,

and the black grains visible in the layer are chromium carbide

Clip TypeCotter Type (Only for RC60DHA)

Contents of layer

Surface hardness

Practical thickness of treated layer (µ)

Surface hardness lowering temp.(ºF)

Peeling resistance

Wear resistance

Carburizing Nitriding H-Cr plating DHA

High Carbon

750~850

100 & over

392 & over

Iron Nitride

750~1,100

10 & over

932 & over

Chrome

900~1,100

10~100

572 & over

Chrome Carbide

1,300~1,500

5~20

1652 & over

Chain No. DID


Width

Roller (Bush)Dia.

Avg. Tensile Strength Approx.

WeightP W D

Max. Allowable Load

Note: Those marked with * indicate bush chain.

Dimensions

RC25R-DHA 0.250 0.125 0.130 0.091 0.307 0.335 ___ 0.185 ___ 0.028 0.232 0.205 990 165 0.087

RC35R-DHA 0.375 0.188 0.200 0.141 0.472 0.516 ___ 0.287 ___ 0.049 0.354 0.305 2530 484 0.215

RC41R-DHA 0.500 0.251 0.306 0.141 0.539 0.575 ___ 0.311 ___ 0.047 0.378 0.315 2420 528 0.262

RC40R-DHA 0.500 0.313 0.312 0.156 0.650 0.693 ___ 0.374 ___ 0.059 0.472 0.409 4290 836 0.422

RC50R-DHA 0.625 0.375 0.400 0.200 0.799 0.862 ___ 0.457 ___ 0.079 0.591 0.512 6930 1540 0.711

RC60R-DHA 0.750 0.500 0.469 0.235 1.000 1.059 1.098 0.563 0.594 0.094 0.713 0.614 9900 2090 0.966

Comparison of properties

DHA - treated alloy layer Soft a -phase

Hard Carbide

Excellent

Fair

Poor

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Wear resistance of DHATest results for “wear resistance in a deteriorated lubrication

condition” and “wear resistance in a sand dust environment”

are shown below.

The results show the excellent performance of DHA.

Applications where a DHA chain can be effectively used are

provided on the right for your reference.

Design of chain transmissionDHA chain is quite the same as a standard roller chain in strength.

So, for selecting a proper DHA chain, please call customer service

at Daido Corporation of America. For the maximum horsepower

rating, see the table of maximum horsepower ratings for standard

roller chain.

Applications where a DHA chain can be

effectively used

An application where soil, sand or dust directly come in

contact with the chain (if an O-ring chain can be used in the

application, the use of an O-ring chain is more effective).

An application where a chain is lubricated in an oil bath, etc.

but where the oil is heavily deteriorated due to the penetration

of foreign objects.

Connecting links and offset linksAs for the connecting links and offset links of a DHA chain, use

those of a standard roller chain. The reason is that while a chain

as a whole has many links, the numbers of connecting links and

offset links is 1 to 2, therefore their influence on the wear of the

entire chain is small.

Test Results for Wear Resistance Comparison

I Wear Resistance Performance under deteriorated lubrication condition

Elo

ngation R

atio (

%)

Elo

ngation R

atio (

%)

II Wear Resistance Performance under sandy & dusty condition

Carburiz

ed Pin

Carburized Pin

Operating Hours Operating Hours

(Test Conditions)

1 Chain Sample : RC06B (p=0.375)

3 Tension : 66lbs

4 Lubrication : By oil bath with wasted automobile engine oil

(Test Conditions)

1 Chain Sample : RC40 (p=0.500)

3 Tension : 308 lbs.

4 Lubrication : Initial grease only. Continuous scattering of

sand on the chain in operation.

DHA

DHA

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2-3-4 O-Ring/X-Ring Chain (LLDR/LDR)

d E F f T H h lbs lbs

DID O-ring chain is dramatically improved in durability, since grease is sealed between the pins and bushings by O-rings. O-ring chain is recommended for applications which provide abrasive conditions require frequent maintenance or where sintered bushing roller chain is not applicable due to its

insufficient shock load capacity or high speed capacity.

RC40LLDR - RC60LLDR, the most popular sizes are furnished with X-RingTM instead of conventional O-Ring. The X-RingTM chain provides half the friction and as long as 1.5 times of wear

life compared to the same size O-Ring chains.

The Big LD Series, large size O-Ring chains from RC140LLDR through RC240LLDR, is also available. This series features nut type cotter pin style connecting links for easy installation.

Dimensions

Chain No. DID


Width

Roller (Bush)Dia.

Avg. Tensile Strength Approx.

WeightP W D

Max. Allowable Load

Dry Conditions

Note: 1. Those marked with * indicates bush chain 2. Please connect with bolt type connecting link by using nuts. The nuts should be used only for press-fitting of link plates. 3. RC40LLDR - RC60LLDR are X-Ring Chain

RC35LLDR 0.375 0.181 0.200 0.141 0.512 0.569 0.307 0.049 0.354 0.305 2200 330 0.235

RC40LLDR 0.500 0.313 0.312 0.156 0.787 0.787 0.421 0.059 0.472 0.409 4070 836 0.449

RC50LLDR 0.625 0.375 0.400 0.200 0.921 0.941 0.504 0.079 0.591 0.512 6754 1540 0.724

RC60LLDR 0.750 0.500 0.469 0.235 1.150 1.181 0.630 0.094 0.713 0.614 9614 2090 1.086

RC80LDR 1.000 0.625 0.625 0.313 1.437 1.531 0.823 0.126 0.941 0.811 16280 3300 1.898

RC100LDR 1.250 0.750 0.750 0.376 1.732 1.819 0.972 0.157 1.177 1.024 24200 5060 2.729

RC120LDR 1.500 1.000 0.875 0.437 2.126 2.236 1.189 0.189 1.413 1.228 35200 6820 3.956

RC140LDR 1.750 1.000 1.000 0.500 2.307 2.724 1.583 0.220 1.650 1.429 44000 9020 5.277

RC160LDR 2.000 1.250 1.125 0.563 2.717 3.161 1.819 0.252 1.882 1.630 55000 11880 6.913

RC200LDR 2.500 1.500 1.562 0.781 3.299 3.799 2.165 0.315 2.362 2.047 96140 16500 11.326

RC240LDR 3.000 1.875 1.875 0.937 3.984 4.583 2.606 0.374 2.815 2.441 140140 22220 16.630

Wear Resistance Performance

Elo

ngation

Dust & Dirt Conditions


DID

O-Ring Chain

5 - 12 times

Operating Hours

Operating Hours


DID

O-Ring Chain

5 - 20 times

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Unit (inch)

Elo

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Nut Type

(140-240LDR)

Cotter Type

Slip/Semi-press Fit

(80-120LDR)

2P Offset LinkClip Type

Slip/Semi-press Fit

(35-60LLDR)

Dimensions

48

Design of chain transmissionO-ring chain is almost the same as a standard roller chain

in strength. (Since the pins are longer than those of standard

roller chain, the average tensile strength is slightly lower.)

Therefore, design the chain transmission as you would do

with standard roller chain.

If the service environment temperature is higher than 1760C,

special heat resistant O-ring must be used. In this case,

contact us for more information.

MaintenanceEven an O-ring chain can exhibit increased wear life with

additional lubrication added during service. This additional

lubrication also has the effect of rust prevention. However,

do not use such chemical materials as gasoline, phosphoric

acid, ester based working fluids, benzene, trichlene and

acetone, since the O-rings may be damaged.

Suitable oil is SAE10W to SAE50W.

Connecting Link and Offset LinkTwo types of connecting links are available: Clearance Fit

connecting links (clip/cotter) and Interference Fit connecting links

(clip/cotter) If strength and/or durability is critical, use Intererence

Fit connecting links. Offset links are only available in 2 pitch style.

DID O-ring Chain SeriesThere are 5 types of O-Ring Chain for various uses. They can

be applied under severe conditions where periodic lubrication is

not practical.

Heat resistant O-ring chain is available in the following table,

and are equipped with an X-Ring, with wear resistance 1.5

times better than that of normal O-Ring chains.

* For heat resistant O-Ring Chain, please consult us for availability

Other features of O-ring chain• O-ring chain has a silencing effect. (According to tests,

the noise level is 3 dB less compared to a standard roller

chain.)

• O-ring chain has friction in bending. However, the power

loss is almost negligible, since the frictional force

acting between the pins and bushing when a load acting

on the chain is greater.

Service limit of O-ring chainIf even one O-ring comes off or when chain elongation

reaches the corresponding value in the following table,

immediately replace the chain with a new one. The table

shows the critical elongations at which the effect of a sealed

ring ceases. If the corresponding value is exceeded, wear

increases as in the case of standard roller chain.

Chain No.

DID

Connecting Link

Clearance Fit Interference FitOffset Link

Connecting Link

Clearance Fit Interference FitOffset Link

RC35LLDR

RC40LLDR

RC50LLDR

RC60LLDR

Clip type

Clip type

RC80LDR

RC100LDR

RC120LDR

Cotter pin type

Clip type

Cotter pin type

Cotter pin type

RC140LDR

RC160LDR

RC200LDR

RC240LDR

2 Pitch offset link

06BLDR Clip type

08BLDR

10BLDR

12BLDR

Clip type

16BLDR Cotter pin type

06NLDR Clip type

Clip type

08NLDR

10NLDR

12NLDR

LLDR(LDR) featuring SOLID BUSHING

LLDRS featuring SOLID BUSHING &

(LDRS) HEAT-RESISTENT RUBBER O-RING

(Up to about 120°C/248°F)

LLDRSS featuring SOLID BUSHING &

(LDRSS) HEAT-RESISTANT RUBBER O-RING

(Up to about 200°C/392°F)

LLDRSP equals LLDSR, except for its O-RING:

(LDRSP) LLDRSP has an X -RING.

LLDRSSP equals LDSS, except for its O-RING:

(LDRSSP) LLDRSSP has an X -RING.

# of Teeth

Large Sprocket

Max. Allowable Elon-

gation Ratio for Non

O-Ring Chain

Max. Allowable

Elongation Ratio for

O-Ring Chain

40 and under 2.0% 1.0%

41~60 1.5% 1.0%

61~80 1.2% 1.0%

81~100 1.0% 1.0%

101 and over 0.8% 0.8%

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Chain No.

DID

49

0.313

0.375

0.500

0.623

0.500

0.625

0.750

1.000

0.312

0.400

0.469

0.625

DID UR roller chain has bushings made of a sintered alloy which

is impregnated with lubricating oil during manufacture. The

sintered bushing roller chain is a maintenance -free chain suitable

for applications where lubrication is not permitted. In appearance

sensitive applications, a rustless (URN) is recommended (for rust-

less chain, see P.53). In applications, limit the traveling speed 492

ft/min. or less. For a dusty environment, the use of an O-ring chain

is recommended.

URF is the heat resistant version of UR chain which is applicable

up to 400°F. The wear life at 400°F is two times as long as the

regular UR chain.

Design of chain transmission In a sintered bushing roller chain, to compensate for the strength

lowered by the use of sintered bushing, the inner plates are

thicker than those of a standard roller chain, and

the pins are longer.

For selecting a proper sintered bushing roller chain, refer to

“General selection” (P. 64). Use the tables for sintered bushing

roller chain which specify the maximum horsepower speed selec-

tion”. In the tables of dimensions, the “maximum allowable load”,

only the tensile tension is taken into account, and the shock load

is not considered.

Connecting links and offset linksFor sintered bushing roller chain, clip type connecting links are

used for 60 or smaller, and cotter type connecting link, for 80 or

larger. Offset links, are available. In either case, please specify

“For a sintered bushing roller chain”. In the table of maximum

horsepower ratings, the strength of the connecting links and

offset links are taken into account.

2-3-5 UR (URN/URF) Chain and Maximum HP Ratings

d F f G T t H h lbs. lbs. (lbs/FT)

RC40UR, URN, URF

RC50UR, URN, URF

RC60UR, URN, URF

RC80UR, URN, URF

0.156

0.200

0.235

0.313

0.748

0.898

1.138

1.461

0.409

0.484

0.622

0.787

0.807

0.984

1.303

1.563

0.079

0.094

0.126

0.157

0.059

0.079

0.094

0.126

0.472

0.591

0.713

0.945

0.409

0.591

0.713

0.945

4004

6710

9460

17270

836

1540

2090

3300

Dimensions

Note) UR: Sintered Bushing Roller Chain URN: Rustless Sintered Bushing Roller Chain

Chain No.Pitch

P

RollerLink

Width

W

RollerDia.

D

Pin Plate Avg. Tensile Strength Max. Allowable Load

Unit (inch)

Approx.Weight

0.463

0.731

1.147

1.878

Clip Type (Cotter Type available for RC80UR) Offset Link

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N.T

Revolutions per minute - Small Sprocket (rpm)

Sintered Bushing Roller Chain Max. Horsepower Ratings (RC40UR, RC50UR)

RC40UR Unit (hp)

10 20 30 50 70 90 100 150 200 300 400 500 600 700 800 900 1000 1100 1200 1300

9 0.05 0.09 0.13 0.21 0.29 0.36 0.40 0.58 0.75 1.09 1.41 1.72 2.02 2.33 2.63 2.92 3.22 3.04 2.67 2.36

10 0.05 0.11 0.15 0.24 0.34 0.42 0.46 0.66 0.84 1.22 1.58 1.93 2.28 2.61 2.95 3.27 3.61 3.55

11 0.07 0.12 0.17 0.27 0.36 0.46 0.50 0.72 0.94 1.35 1.74 2.14 2.52 2.90 3.27 3.63 3.99

12 0.07 0.13 0.19 0.29 0.40 0.50 0.55 0.79 1.03 1.49 1.92 2.35 2.76 3.18 3.58 3.98

13 0.08 0.15 0.20 0.32 0.44 0.55 0.60 0.87 1.13 1.62 2.09 2.56 3.02 3.47 3.91 4.34

14 0.08 0.15 0.21 0.35 0.47 0.59 0.66 0.94 1.22 1.76 2.27 2.77 3.27 3.75 4.24

15 0.09 0.16 0.24 0.38 0.51 0.64 0.70 1.01 1.31 1.89 2.44 2.99 3.53 4.05

16 0.09 0.17 0.25 0.40 0.55 0.68 0.75 1.09 1.41 2.02 2.63 3.20 3.78 4.34

17 0.11 0.19 0.27 0.43 0.59 0.74 0.80 1.15 1.50 2.16 2.80 3.42 4.03

18 0.11 0.20 0.29 0.46 0.62 0.78 0.86 1.23 1.60 2.29 2.98 3.65 4.29

19 0.12 0.21 0.31 0.48 0.66 0.83 0.91 1.30 1.69 2.44 3.15 3.86 4.54

20 0.12 0.23 0.32 0.51 0.70 0.87 0.95 1.38 1.78 2.57 3.34 4.08

21 0.12 0.24 0.34 0.54 0.74 0.92 1.01 1.46 1.89 2.72 3.51 4.30

22 0.13 0.25 0.36 0.56 0.76 0.97 1.06 1.53 1.98 2.86 3.70 4.52

23 0.13 0.27 0.38 0.60 0.80 1.02 1.11 1.61 2.08 2.99 3.87 4.75

24 0.15 0.27 0.39 0.63 0.84 1.06 1.17 1.68 2.17 3.14 4.06

25 0.15 0.28 0.42 0.66 0.88 1.11 1.22 1.76 2.28 3.27 4.25

28 0.17 0.32 0.47 0.74 1.01 1.25 1.38 1.98 2.57 3.70 4.80

30 0.19 0.35 0.50 0.79 1.07 1.35 1.49 2.14 2.77 3.99

32 0.20 0.38 0.54 0.86 1.15 1.45 1.60 2.29 2.98 4.28

35 0.21 0.42 0.59 0.94 1.27 1.60 1.76 2.52 3.27 4.72

40 0.25 0.47 0.68 1.09 1.47 1.84 2.02 2.92 3.78

RC50UR

10 20 30 50 70 90 100 150 200 300 400 500 600 700 800 900 1000 1100 1200 1300

9 0.12 0.23 0.32 0.52 0.71 0.88 0.97 1.39 1.81 2.21 2.61 2.99 3.38 3.75 4.13 4.87 5.59 5.86 4.91 4.18

10 0.13 0.25 0.36 0.58 0.79 0.99 1.09 1.57 2.02 2.48 2.92 3.35 3.78 4.21 4.62 5.46 6.26 6.85 5.75

11 0.15 0.28 0.40 0.64 0.87 1.10 1.21 1.73 2.25 2.75 3.24 3.73 4.20 4.66 5.13 6.05 6.94 7.83

12 0.16 0.31 0.44 0.71 0.97 1.21 1.33 1.90 2.47 3.02 3.55 4.09 4.61 5.12 5.63 6.64 7.63

13 0.19 0.34 0.48 0.78 1.05 1.31 1.45 2.08 2.69 3.30 3.87 4.45 5.03 5.59 6.14 7.24 8.31

14 0.20 0.36 0.52 0.84 1.14 1.42 1.57 2.25 2.92 3.57 4.21 4.83 5.44 6.06 6.65 7.84

15 0.21 0.40 0.58 0.90 1.22 1.53 1.69 2.43 3.14 3.85 4.53 5.20 5.87 6.53 7.17 8.45

16 0.23 0.43 0.62 0.97 1.31 1.65 1.81 2.60 3.36 4.12 4.85 5.58 6.29 7.00 7.69

17 0.24 0.46 0.66 1.03 1.39 1.76 1.93 2.77 3.59 4.40 5.19 5.95 6.72 7.47 8.20

18 0.25 0.48 0.70 1.10 1.49 1.86 2.05 2.95 3.83 4.68 5.51 6.33 7.14 7.94 8.73

19 0.27 0.51 0.74 1.17 1.58 1.98 2.17 3.14 4.06 4.96 5.84 6.72 7.57 8.42

20 0.29 0.54 0.78 1.23 1.66 2.09 2.29 3.31 4.29 5.24 6.18 7.09 8.00 8.90

21 0.31 0.56 0.82 1.30 1.76 2.20 2.43 3.49 4.52 5.52 6.51 7.48 8.43

22 0.32 0.60 0.86 1.37 1.85 2.32 2.55 3.67 4.76 5.82 6.85 7.87 8.87

23 0.34 0.63 0.90 1.43 1.94 2.43 2.67 3.85 4.99 6.10 7.18 8.26 9.30

24 0.35 0.66 0.95 1.50 2.02 2.55 2.80 4.03 5.23 6.38 7.52 8.65

25 0.36 0.68 0.99 1.57 2.12 2.65 2.92 4.21 5.46 6.68 7.86 9.03

28 0.42 0.78 1.11 1.77 2.40 3.00 3.31 4.76 6.17 7.53 8.89

30 0.44 0.83 1.21 1.90 2.59 3.24 3.57 5.13 6.65 8.12 9.57

32 0.48 0.90 1.29 2.05 2.77 3.47 3.82 5.50 7.13 8.71

35 0.54 0.99 1.42 2.25 3.06 3.82 4.21 6.06 7.86 9.60

40 0.62 1.14 1.65 2.60 3.53 4.42 4.85 7.00 9.06

N.T Revolutions per minute - Small Sprocket (rpm)

Unit (hp)

Ref: Horsepower Rating table of sintered bushing chains is made on the basis of approx. 1000 hour endurance time.

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Sintered Bushing Roller Chain Max. Horsepower Ratings (RC60UR, RC80UR)

N.T


RC60UR Unit (hp)

10 20 30 50 70 90 100 150 200 250 300 350 400 450 500 550 600 650 700 800

9 0.19 0.36 0.51 0.82 1.10 1.38 1.51 2.18 2.83 3.46 4.08 4.68 5.28 5.87 6.45 7.02 7.60 8.18 8.27 6.77

10 0.21 0.40 0.58 0.91 1.23 1.54 1.70 2.45 3.16 3.87 4.57 5.24 5.91 6.58 7.23 7.88 8.53 9.16 9.69

11 0.24 0.44 0.64 1.01 1.37 1.72 1.88 2.71 3.51 4.29 5.07 5.82 6.55 7.29 8.02 8.73 9.44 10.1 10.8

12 0.25 0.48 0.70 1.11 1.50 1.88 2.06 2.98 3.86 4.72 5.56 6.38 7.20 8.00 8.81 9.60 10.4 11.2

13 0.28 0.54 0.76 1.21 1.64 2.05 2.25 3.24 4.21 5.15 6.06 6.96 7.86 8.73 9.60 10.5 11.3

14 0.31 0.58 0.83 1.31 1.77 2.23 2.44 3.51 4.56 5.58 6.57 7.55 8.51 9.46 10.4 11.33

15 0.34 0.62 0.88 1.41 1.90 2.40 2.63 3.79 4.91 6.01 7.08 8.12 9.17 10.2 11.2

16 0.36 0.66 0.95 1.51 2.05 2.56 2.83 4.06 5.27 6.43 7.59 8.71 9.83 10.9

17 0.38 0.71 1.02 1.61 2.18 2.73 3.02 4.34 5.62 6.88 8.10 9.30 10.5 11.7

18 0.40 0.75 1.09 1.72 2.32 2.91 3.20 4.61 5.98 7.31 8.62 9.89 11.2

19 0.43 0.80 1.15 1.82 2.47 3.10 3.39 4.89 6.34 7.75 9.13 10.5 11.8

20 0.46 0.84 1.22 1.93 2.60 3.27 3.59 5.17 6.70 8.19 9.65 11.1

21 0.48 0.88 1.29 2.02 2.75 3.45 3.78 5.46 7.06 8.63 10.2 11.7

22 0.50 0.94 1.34 2.13 2.88 3.62 3.98 5.74 7.43 9.08 10.7 12.3

23 0.52 0.98 1.41 2.24 3.03 3.79 4.18 6.02 7.79 9.53 11.2

24 0.55 1.03 1.47 2.35 3.18 3.98 4.37 6.30 8.16 9.97 11.8

25 0.58 1.07 1.54 2.45 3.31 4.16 4.57 6.58 8.53 10.4 12.3

28 0.64 1.22 1.74 2.76 3.74 4.69 5.16 7.44 9.64 11.8

30 0.70 1.31 1.88 2.98 4.03 5.05 5.56 8.02 10.4 12.7

32 0.75 1.41 2.02 3.19 4.33 5.43 5.97 8.59 11.1

35 0.83 1.54 2.23 3.53 4.77 5.98 6.57 9.46 12.3

40 0.95 1.78 2.57 4.06 5.51 6.90 7.59 10.9

N.T

Revolutions per minute - Small Sprocket (rpm)RC80UR Unit (hp)

10 20 30 40 50 60 70 80 90 100 120 140 160 180 200 250 300 400 150 500 550 600

9 0.47 0.86 1.25 1.61 1.97 2.32 2.67 3.00 3.34 3.67 4.33 4.97 5.62 6.23 6.86 8.38 9.88 12.8 14.2 15.6 15.0 13.1

10 0.52 0.97 1.39 1.81 2.21 2.60 2.99 3.36 3.74 4.12 4.85 5.58 6.29 6.98 7.68 9.40 11.1 14.3 15.9 17.5 17.5

11 0.58 1.07 1.54 2.00 2.44 2.88 3.31 3.74 4.16 4.57 5.38 6.18 6.97 7.75 8.51 10.4 12.3 15.9 17.7 19.4

12 0.63 1.18 1.70 2.20 2.68 3.16 3.63 4.10 4.56 5.01 5.91 6.78 7.65 8.51 9.36 11.4 13.5 17.5 19.4

13 0.68 1.29 1.85 2.40 2.94 3.46 3.97 4.48 4.97 5.47 6.45 7.40 8.35 9.28 10.2 12.5 14.7 19.0 21.2

14 0.75 1.39 2.01 2.60 3.18 3.74 4.30 4.84 5.39 5.92 6.98 8.02 9.03 10.1 11.1 13.5 15.9 20.6

15 0.80 1.50 2.16 2.80 3.42 4.03 4.62 5.21 5.80 6.38 7.52 8.63 9.75 10.8 11.9 14.6 17.2

16 0.86 1.61 2.32 3.00 3.67 4.32 4.96 5.60 6.22 6.84 8.06 9.26 10.4 11.6 12.8 15.6 18.4

17 0.92 1.72 2.47 3.20 3.91 4.61 5.29 5.98 6.65 7.31 8.61 9.89 11.2 12.4 13.6 16.7 19.6

18 0.98 1.82 2.63 3.40 4.17 4.91 5.63 6.35 7.06 7.77 9.16 10.5 11.9 13.2 14.5 17.7 20.9

19 1.03 1.93 2.79 3.61 4.41 5.20 5.98 6.74 7.49 8.23 9.71 11.2 12.6 14.0 15.4 18.8 22.1

20 1.10 2.05 2.95 3.82 4.66 5.50 6.31 7.12 7.92 8.70 10.3 11.8 13.3 14.8 16.2 19.9

21 1.15 2.16 3.11 4.02 4.92 5.79 6.66 7.51 8.35 9.18 10.8 12.4 14.0 15.6 17.1 20.9

22 1.22 2.27 3.27 4.24 5.17 6.10 7.00 7.90 8.78 9.65 11.4 13.1 14.7 16.4 18.0 22.0

23 1.27 2.37 3.43 4.44 5.43 6.39 7.35 8.28 9.21 10.1 11.9 13.7 15.5 17.2 18.9 23.1

24 1.34 2.49 3.59 4.65 5.68 6.69 7.69 8.67 9.64 10.6 12.5 14.4 16.2 18.0 19.8

25 1.39 2.60 3.75 4.85 5.94 7.00 8.04 9.06 10.1 11.1 13.1 15.0 16.9 18.8 20.7

28 1.58 2.94 4.24 5.48 6.72 7.91 9.09 10.2 11.4 12.5 14.8 16.9 19.1 21.2 23.4

30 1.70 3.16 4.57 5.91 7.23 8.51 9.79 11.0 12.3 13.5 15.9 18.3 20.6 22.9

32 1.82 3.39 4.89 6.34 7.75 9.13 10.5 11.8 13.2 14.5 17.0 19.6 22.1 24.5

35 2.01 3.74 5.39 6.98 8.54 10.1 11.6 13.0 14.5 15.9 18.8 21.6 24.3

40 2.32 4.33 6.23 8.07 9.87 11.6 13.4 15.1 16.7 18.4 21.7 24.9

Ref : Horsepower Rating table of sintered bushing chains is made on the basis of approx. 1000 hour endurance test.

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52

The DID general application chain include the Environment

Resistant Chain Series. This series is intended for use in

special environments, such as outdoor use with exposure to

rain, use on a ship, exposure to a salty environment, and use

Rustless Chain ................. Brilliant, clean, shiny nickel plating.

Hi-Guard Chain................. Excellent in corrosion resistance without sacrificing strength

Low temperature chain ..... For use in cold storage, warehouse and conveyors.

Stainless steel chain ......... Corrosion resistant and heat resistance for food processing, water treatment,chemical, etc.

in a place where a chemical material is dispersed. The

Environment Resistant Chain Series includes the following

four kinds.

Design of chain transmissionAn environment resistant chain is equivalent to ANSI standard roller

chain in strength, except for the stainless steel chain. Therefore,

for selection of proper environment resistant chain call customer

service at Daido Corporation of America.

Connecting links and offset linksFor all kinds of environment resistant chain, slip fit (clip type)

connecting links are available for 60 or smaller, and slip fit (cotter

type) connecting link for 80 or larger. 2P Offset Link is available for

RC25 and RC35, and Half Link and 2P Offset Link, for the other

sizes. However, for low temperature chain, no offset link is available.

For stainless steel chain, 2P Offset Link is not available.

SprocketsSince the dimensions of these chain are the same as those of

standard roller chain, standard sprockets can be used.

2-4 Environment Resistant Chain Series

2-4-1 Selection of Environment Resistant Chain Series

Corrosion Resistance Performance

Series Mark

Standard

Roller Chain

Rustless

Chain

Hi-Guard

Chain

Low TemperatureChain

Stainless

Chain

N

E

TK

SS

SSK

100%

100%

100%

100%

10%

15%

Max. Horsepower Ratings or Slow-Speed Selection

Slow-Speed Selection

Comparison Chart of Environment Resistant Chain Series (please refer to pg. 43 for Chain No.)

Strength

Max. AllowableLoad Ratio

Chain SelectingMethod

Moisture Resistance Performance(without additional lubrication)

Initial LubricantApplied

Rust PreventionOil

Rust PreventionOil

Rust PreventionOil

Special Grease

Grease

Grease

Grease

inferior

inferior

inferior

normal

normal

normal

normal

Stainless Chain is inferior to

others in wear resistance per-

formance.

Chain tension must be within

allowable range.

Based on CASS testExposed to water

or salt waterAlkaline Resistance

PerformanceAcid Resistance

PerformanceHeat Resistance

Performance

DID Hi-Guard Chain

DID Standard Roller Chain

Surface conditions after corrosion test

inferior

normal

good

very good

excellent

normal

(note)

(note)

not recommended

good

excellent

not recommended

normal

excellent

normal

normal

not recommended

Applicable in light acid

not recommended

not recommended

-10ºC~80ºC

(14ºF~176ºF)

Layer withstands

up to 250ºC (482ºF)

-40ºC~80ºC

(40ºF~176ºF)

Same as Stainless Steel

Note: Even rustless chain, 25N, 35N and 41N should be read from “good” to “normal” and “excellent” to “good” because of the thin plating layer.

Layer withstands


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D.I.D Rustless Chain is an outstanding corrosion resistant

chain because its surface is nickel plated. In applications

where chain is exposed to the possibility of hydrogen

brittlement caused by acid vapor or salty environment, nickel

plating delays the corrosive effect on the chain.

RC25N

RC35N

RC41N

RC40N

RC50N

RC60N

RC80N

RC100N

RC120N

RC140N

RC160N

2-4-2 Rustless Chain (N)

0.250 0.125 0.130 0.091 0.307 0.335 — 0.185 — 0.028 0.232 0.205 990 165 0.087

0.375 0.188 0.200 0.141 0.472 0.516 0.555 0.287 0.291 0.049 0.354 0.305 2530 484 0.215

0.500 0.251 0.306 0.141 0.539 0.575 0.602 0.311 0.335 0.047 0.378 0.315 2420 528 0.262

0.500 0.313 0.312 0.156 0.650 0.693 0.713 0.374 0.398 0.059 0.472 0.409 4290 836 0.422

0.625 0.375 0.400 0.200 0.799 0.862 0.870 0.457 0.472 0.079 0.591 0.512 6930 1540 0.711

0.750 0.500 0.469 0.235 1.000 1.059 1.098 0.563 0.594 0.094 0.713 0.614 9900 2090 0.966

1.000 0.625 0.625 0.313 1.283 — 1.394 — 0.748 0.126 0.945 0.819 17600 3300 1.710

1.250 0.750 0.750 0.376 1.555 — 1.673 — 0.894 0.157 1.177 1.024 26620 5060 2.541

1.500 1.000 0.875 0.437 1.957 — 2.087 — 1.110 0.189 1.413 1.228 37400 6820 3.681

1.750 1.000 1.000 0.500 2.110 — 2.299 — 1.248 0.220 1.650 1.429 48400 9020 4.768

2.000 1.250 1.125 0.563 2.504 — 2.685 — 1.437 0.252 1.882 1.630 60500 11880 6.585


DID


Width

RollerDia. Pin Plate

Trans-versePitch

P W D

DIDAvg. Tensile

Strength

DIDMax. Allowable

Load

lbs lbs (lbs/FT)d E G e g C T H h

Approx.Weight

Result of CASS Test

Note: Those marked with * indicated bush chain.

Clip Type 60 & smaller

Cotter Type80 & larger

Operating Hours

RC50N

Rustless Chain

RC50


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RC25-E 0.250 0.125 0.130 0.091 0.307 0.335 — 0.185 — 0.028 0.232 0.205 924 165 0.087

RC35-E 0.375 0.188 0.200 0.141 0.472 0.516 — 0.287 — 0.049 0.354 0.305 2310 484 0.215

RC40-E/WE 0.500 0.313 0.312 0.156 0.650 0.693 — 0.374 — 0.059 0.472 0.409 3740 836 0.422

RC50-E/WE 0.625 0.375 0.400 0.200 0.799 0.862 — 0.457 — 0.079 0.591 0.512 6380 1540 0.711

RC60-E/WE 0.750 0.500 0.469 0.235 1.000 1.059 — 0.563 — 0.094 0.713 0.614 9020 2090 0.966

RC80-E/WE 1.000 0.625 0.625 0.313 1.283 — 1.394 — 0.748 0.126 0.945 0.819 16830 3300 1.710

RC100-E/WE 1.250 0.750 0.750 0.376 1.555 — 1.673 — 0.894 0.157 1.177 1.024 25300 5060 2.541

RC120-E/WE 1.500 1.000 0.875 0.437 1.957 — 2.087 — 1.110 0.189 1.413 1.228 35420 6820 3.681

Hi-Guard chain is second in corrosion resistance performance, next to a stainless steel chain. A luster-less white protective film is formed on the surface of the chain by a special baking process. The Hi-Guard chain has excellent galvanic corrosion resistance and rust resistance. Since the film is heat-resistant up to 4820F, it protects the chain even in high temperature. The Hi-Guard chain has slightly lower tensile strength than standard chain, but it is equivalent in maximum allowable load and wear resistance. Stainless steel chain is lower in strength and wear resistance. For this reason, when sufficient corrosion resistance is required without sacrificing strength, Hi-Guard chain is recommended. Since the Hi-Guard film works as a sacrificial anode for the base chain, sufficient corrosion resistance can be expected even if the film peels.

Double Guard Chain (WE) has DID’s unique two different coatings applied before assembly on the ANSI standard chain. It achieves approximately two times higher anti-corrosion performance than a Hi-Guard Chain in a salt water spray test. This chain also withstands light alkali and an acidic atmosphere and the best alternative of Stainless Steel Chain. The strength is the same as Hi-Guard Chain.

Standard roller chain is likely to become brittle at low

temperature and must be used at higher than 14°F. TK chain is

unlikely to suffer from low temperature brittleness. TK chain can

be used down to -40°F by setting the maximum allowable load

as listed below.

The lubricating oil applied on the chain is also special lowtemperature oil suitable for the cold resistant chain.

RC40R-TK 3.72 836 2.54 572 2.15 484

RC50R-TK 6.86 1540 4.80 1078 3.92 880

RC60R-TK 9.31 2090 6.47 1452 5.39 1210

RC80R-TK 14.70 3300 10.29 2310 8.53 1914

RC100R-TK 22.55 5060 15.78 3542 13.04 2926

RC120R-TK 30.40 6820 21.28 4774 17.55 3938

RC140R-TK 40.20 9020 28.14 6314 23.24 5214

RC160R-TK 52.95 11880 37.06 8316 30.69 6886

80°~ -10°C (176°F ~ 14°F) -11°C ~ -30°C (120 F~ -220 F)

Max. Allowable Load

-31°C ~ -40°C (-240 F~ -400 F)

Max. Allowable Load

Dimensionsare same as

those of standardroller chain

(Please refer to P.14)

Chain No.

DID

Max. Allowable Load

2-4-3 Hi-Guard Chain (E)/Double Guard Chain (WE)

(lbs/FT)lbslbs

Note: 1. Those marked with * indicate bush chains.

2. Please consult us when multiplex chain is desired

Approx.Weight

The lubricating oil applied on the chain is a special low

temperature oil.

Max. Allowable Load of TK Chain

d E F G f g T H h


Width

RollerDia. Pin Plate

P W D

DID DIDAvg. Tensile


LoadDID

Clip Type 60 & smaller

Cotter Type 80 & larger


2-4-4 Low Temperature Chain (TK)

Offset Link

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DID Stainless Steel chain is available either as an SS chain with

all of the components made of austenitic steel (SUS304, 18-8

stainless steel) or an SSK chain with pins, bushings and rollers

made of quench-hardened stainless steel (SUS631) and with

plates made of austenitic stainless steel (SUS304). An SS chain

is the highest in corrosion resistance and heat resistance, and can

be used in all chemical plants, food processing machines, water

treatment machines, etc. However, since it is made of austenitic

stainless steel, its tensile strength is less than 70 percent that of a

standard roller chain. Furthermore, the maximum allowable tension

is as low as 10 percent of standard roller chain. Therefore, these

factors must be carefully examined when you select SS chain.

SSK chain is 1.5 times higher than SS chain in maximum

allowable load. This is accomplished by improving the strengths

of pins, bushings and rollers. Both SS & SSK are comparable

in corrosion resistance.

Stainless Steel X-Ring chain (SSLT) with chemical resistant

X-Ring and FDA/USDA approved lubricant is also available for up

to 10 times longer wear life. See P. 47 for dimensions (Available in

40, 50, 60 and 80).

2-4-5 Stainless Steel Chain (SS, SSK, SSLT)

Slip Fit (Clip Type) for RC60 or smaller

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RC25SSR 0.250 0.122 0.130 0.091 0.299 0.335 — 0.185 — 0.030 0.236 0.205 0.087

RC35SSR, 35SR 0.375 0.184 0.200 0.141 0.465 0.508 — 0.276 — 0.050 0.354 0.307 0.228

RC40SSR, 40SR 0.500 0.309 0.313 0.156 0.642 0.689 — 0.368 — 0.059 0.472 0.409 0.429

RC50SSR, 50SR 0.625 0.370 0.400 0.200 0.807 0.850 — 0.447 — 0.079 0.591 0.512 0.711

RC60SSR, 60SR 0.750 0.495 0.469 0.234 1.018 1.063 — 0.555 — 0.094 0.713 0.614 1.046

RC80SSR, 80SR 1.000 0.620 0.625 0.312 1.280 — 1.366 — 0.726 0.126 0.949 0.819 1.757

RC100SSR, 100SR 1.250 0.744 0.750 0.375 1.587 — 1.667 — 0.874 0.157 1.185 1.024 2.769

RC120SSR 1.500 1.000 0.875 0.435 2.071 — 2.185 — 1.146 0.197 1.413 1.228 4.111

RC140SSR 1.750 1.000 1.000 0.498 2.272 — 2.437 — 1.295 0.236 1.650 1.429 5.304

RC160SSR 2.000 1.250 1.125 0.560 2.531 — 2.697 — 1.417 0.236 1.882 1.630 7.282

RC200SSR 2.500 1.500 1.562 0.776 3.122 — 3.398 — 1.827 0.315 2.362 2.047 11.091

DIDd E F G f g T H h


Width

Roller(Bush)

Dia.

Pin Plate

P W D

Approx.Weight

(lbs/FT)

Note: Those marked with * indicate bush chain.

Strength of SS Type

RC25SSR 0.12 29

RC35SSR 0.26 59

RC40SSR 0.44 99

RC50SSR 0.69 154

RC60SSR 1.03 231

RC80SSR 1.77 396

RC100SSR 2.55 572

RC120SSR 3.82 858

RC140SSR 4.60 1034

RC160SSR 6.37 1430

RC200SSR 10.78 2420

Chain No.

DID

Max. Allowable Load

KN lbs

Strength of SSK Type

RC40SR 0.69 154

RC50SR 1.03 231

RC60SR 1.57 352

RC80SR 2.65 594

RC100SR 3.82 858

Chain No.

DID

Max. Allowable Load

KN lbs

**

**

56

Note: Above Max. allowable load is determined only by link plates and pin, and roller is not considered for the chain.

The demand for and lower equipment noise in the working

significant environment is growing. The chain greatly enhanced

in silencing effect to meet such demands is the DID Low Noise

Chain Series.

In printing, packaging, engineering, parking and various

conveyors, low noise chain provides a silencing effect.

A “two piece roller structure” achieves a significant noise

reduction effect. hen the chain is engaged with a sprocket, the

audible shock is reduced by the elastic deformation of rollers,

made of special elastomer, achieving a silencing effect as much

as 10 DB. When the chain is used for conveying, the sliding

noise between the rails and the rollers is effectively reduced.

Available sizes are RC40SLN to 80SLN.

For selecting a proper low noise chain, refer to “general

selection”. Also refer to the tables of maximum horsepower

ratings for SLN chain (P.57 & 58).

For SLN chain, “Slow-speed selection” cannot be used. The

maximum allowable load in the tables of dimensions considers

only the tensile strength of the chain, and neglects roller

2-5 Low Noise Chain Series

Design of chain transmission

Connecting links and offset linksFor low noise connecting links, the standard chain can be used.

Both Half link and 2P Offset link are available. Please specify “for

SLN chain”.

SprocketsStandard sprockets can be used.

PitchRoller

Link Width

P W D1 D

2 d E F f L l T H h

Pin Plate

lbs lbs

DIDAvg.Tensile

Strength

DIDMax. Allowable

Load

Approx.

Weight

(lbs/FT)

Roller Dia.

2-5-1 Super Low Noise Chain

Note: Color of elastomer roller may be changed for the

required specification.

Chain No. Allowable Load

Chain No.

DID

Clip Type(RC 60 & smaller)

Cotter Type(RC 80)


Max. Allowable Load in RollerUnit: N(lbs) /pc

RC80 Stan-

dard Roller

Chain

RC80SLN

Noiselevel(DB)

Chain Speed (ft/min)compared with DID

standard chain

RC40SLN 0.500 0.313 0.304 0.321 0.156 0.650 0.693 0.374 0.760 0 .417 0.059 0.472 0.409 4290 836 0.396

RC50SLN 0.625 0.375 0.388 0.409 0.200 0.799 0.862 0.457 0.909 0 .476 0.079 0.591 0.512 6930 1540 0.657

RC60SLN 0.750 0.500 0.455 0.478 0.235 1.000 1.059 0.563 1.181 0 .618 0.094 0.713 0.614 9900 2090 0.959

RC80SLN 1.000 0.625 0.604 0.634 0.313 1.291 1.390 0.748 1.461 0 .768 0.126 0.945 0.819 17600 3300 1.583

Noise Reduction Efficiency Chart

RC40SLN 78 18

RC50SLN 117 26

RC60SLN 196 44

RC80SLN 313 70


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633 961 1266 1584

l 1 Roller (1pc of steel rollers and 1pc of rubber roller)

57

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

28

30

32

35

40

45

50

55

60

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

28

30

32

35

40

45

50

55

60

10 20 30 50 70 100 150 200 250 300 350 400 450 500 600 700 800 900 1000 1200

0.15 0.28 0.40 0.64 0.87 1.21 1.73 1.76 1.72 1.69 1.66 1.64 1.62 1.61 1.57 1.55 1.53 1.51 1.50 1.47

0.16 0.31 0.44 0.71 0.97 1.33 1.90 2.00 1.96 1.92 1.89 1.86 1.85 1.82 1.80 1.77 1.74 1.73 1.70

0.19 0.34 0.48 0.78 1.05 1.45 2.08 2.25 2.21 2.17 2.13 2.10 2.08 2.06 2.02 2.00 1.97 1.94 1.92

0.20 0.36 0.52 0.84 1.14 1.57 2.25 2.52 2.47 2.43 2.39 2.36 2.33 2.31 2.27 2.23 2.20 2.17

0.21 0.40 0.58 0.90 1.22 1.69 2.43 2.80 2.73 2.68 2.64 2.61 2.59 2.56 2.51 2.47 2.44

0.23 0.43 0.62 0.97 1.31 1.81 2.60 3.08 3.02 2.96 2.91 2.88 2.84 2.82 2.76 2.72 2.68

0.24 0.46 0.66 1.03 1.39 1.93 2.77 3.38 3.30 3.24 3.19 3.15 3.11 3.08 3.03 2.98

0.25 0.48 0.70 1.10 1.49 2.05 2.95 3.67 3.59 3.54 3.49 3.43 3.39 3.35 3.30 3.24

0.27 0.51 0.74 1.17 1.58 2.17 3.14 3.99 3.90 3.83 3.77 3.73 3.67 3.65 3.58

0.29 0.54 0.78 1.23 1.66 2.29 3.31 4.29 4.21 4.14 4.08 4.02 3.97 3.93 3.86

0.31 0.56 0.82 1.30 1.76 2.43 3.49 4.52 4.53 4.45 4.38 4.33 4.28 4.24 4.16

0.32 0.60 0.86 1.37 1.85 2.55 3.67 4.76 4.87 4.77 4.71 4.64 4.58 4.53 4.45

0.34 0.63 0.90 1.43 1.94 2.67 3.85 4.99 5.20 5.11 5.03 4.96 4.91 4.85

0.35 0.66 0.95 1.50 2.02 2.80 4.03 5.23 5.54 5.44 5.36 5.28 5.23 5.17

0.36 0.68 0.99 1.57 2.12 2.92 4.21 5.46 5.88 5.78 5.70 5.62 5.55 5.50

0.42 0.78 1.11 1.77 2.40 3.31 4.76 6.17 6.98 6.85 6.74 6.66 6.58

0.44 0.83 1.21 1.90 2.59 3.57 5.13 6.65 7.75 7.60 7.48 7.39

0.48 0.90 1.29 2.05 2.77 3.82 5.50 7.13 8.53 8.38 8.24 8.14

0.54 0.99 1.42 2.25 3.06 4.21 6.06 7.86 9.60 9.58 9.44

0.62 1.14 1.65 2.60 3.53 4.85 7.00 9.06 11.09 11.70

0.70 1.30 1.86 2.96 4.01 5.52 7.95 10.29 12.59

0.78 1.45 2.09 3.31 4.49 6.18 8.90 11.54 14.10

0.86 1.61 2.32 3.67 4.97 6.85 9.87 12.79

0.95 1.77 2.55 4.03 5.46 7.53 10.84 14.05

Super Low-Noise Chain Max. Horsepower Ratings (RC40SLN, RC50SLN)

Unit (HP)RC40SLN

Unit (HP)RC50SLN



N.T

N.T

10 20 30 50 70 100 150 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1500

0.07 0.12 0.17 0.27 0.36 0.50 0.70 0.67 0.64 0.63 0.62 0.60 0.59 0.59 0.58 0.58 0.56 0.56 0.56 0.55

0.07 0.13 0.19 0.29 0.40 0.55 0.79 0.76 0.74 0.71 0.70 0.68 0.68 0.67 0.66 0.66 0.64 0.64 0.63

0.08 0.15 0.20 0.32 0.44 0.60 0.87 0.87 0.83 0.80 0.79 0.78 0.76 0.75 0.75 0.74 0.72 0.72

0.08 0.15 0.21 0.35 0.47 0.66 0.94 0.97 0.92 0.90 0.88 0.87 0.86 0.84 0.83 0.82 0.82

0.09 0.16 0.24 0.38 0.51 0.70 1.01 1.07 1.03 1.01 0.98 0.97 0.95 0.94 0.92 0.91 0.90

0.09 0.17 0.25 0.40 0.55 0.75 1.09 1.18 1.14 1.10 1.07 1.06 1.05 1.03 1.02 1.01

0.11 0.19 0.27 0.43 0.59 0.80 1.15 1.30 1.25 1.21 1.18 1.15 1.14 1.13 1.11

0.11 0.20 0.29 0.46 0.62 0.86 1.23 1.41 1.35 1.31 1.29 1.26 1.25 1.23 1.21

0.12 0.21 0.31 0.48 0.66 0.91 1.30 1.53 1.47 1.42 1.39 1.37 1.35 1.33

0.12 0.23 0.32 0.51 0.70 0.95 1.38 1.65 1.58 1.54 1.50 1.47 1.46 1.43

0.12 0.24 0.34 0.54 0.74 1.01 1.46 1.78 1.70 1.66 1.62 1.60 1.57

0.13 0.25 0.36 0.56 0.76 1.06 1.53 1.90 1.82 1.78 1.74 1.70 1.68

0.13 0.27 0.38 0.60 0.80 1.11 1.61 2.04 1.96 1.90 1.86 1.82 1.80

0.15 0.27 0.39 0.63 0.84 1.17 1.68 2.17 2.08 2.02 1.98 1.94

0.15 0.28 0.42 0.66 0.88 1.22 1.76 2.28 2.21 2.16 2.10 2.06

0.17 0.32 0.47 0.74 1.01 1.38 1.98 2.57 2.63 2.55 2.49

0.19 0.35 0.50 0.79 1.07 1.49 2.14 2.77 2.91 2.83 2.76

0.20 0.38 0.54 0.86 1.15 1.60 2.29 2.98 3.20 3.12 3.04

0.21 0.42 0.59 0.94 1.27 1.76 2.52 3.27 3.67 3.57

0.25 0.47 0.68 1.09 1.47 2.02 2.92 3.78 4.49 4.36

0.29 0.54 0.78 1.23 1.66 2.31 3.31 4.29 5.35

0.32 0.60 0.87 1.38 1.86 2.57 3.71 4.81 6.27

0.36 0.67 0.97 1.53 2.08 2.86 4.12 5.34 7.23

0.39 0.74 1.06 1.68 2.28 3.14 4.52 5.86

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RC60SLN

RC80SLN

N.T

N.T

12

13

14

15

16

17

18

19

20

21

22

23

24

25

28

30

32

35

40

45

50

55

60

11

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

28

30

32

35

40

45

50

55

60

10 20 30 40 50 60 70 80 100 120 150 180 200 250 300 400 500 600 700 750

0.58 1.07 1.54 2.00 2.44 2.88 3.31 3.74 4.57 5.38 6.02 5.91 5.86 5.72 5.62 5.46 5.34 5.24 5.16 5.13

0.63 1.18 1.70 2.20 2.68 3.16 3.63 4.10 5.01 5.91 6.86 6.74 6.68 6.53 6.41 6.22 6.09 5.98

0.68 1.29 1.85 2.40 2.94 3.46 3.97 4.48 5.47 6.45 7.73 7.60 7.52 7.36 7.23 7.02 6.86 6.74

0.75 1.39 2.01 2.60 3.18 3.74 4.30 4.84 5.92 6.98 8.53 8.50 8.40 8.22 8.07 7.84 7.67

0.80 1.50 2.16 2.80 3.42 4.03 4.62 5.21 6.38 7.52 9.20 9.42 9.32 9.12 8.95 8.70 8.51

0.86 1.61 2.32 3.00 3.67 4.32 4.96 5.60 6.84 8.06 9.85 10.4 10.3 10.0 9.87 9.58 9.37

0.92 1.72 2.47 3.20 3.91 4.61 5.29 5.98 7.31 8.61 10.5 11.4 11.2 11.0 10.8 10.5

0.98 1.82 2.63 3.40 4.17 4.91 5.63 6.35 7.77 9.16 11.2 12.4 12.3 12.0 11.8 11.4

1.03 1.93 2.79 3.61 4.41 5.20 5.98 6.74 8.23 9.71 11.9 13.4 13.3 13.0 12.8 12.4

1.10 2.05 2.95 3.82 4.66 5.50 6.31 7.12 8.70 10.3 12.5 14.5 14.4 14.0 13.8 13.4

1.15 2.16 3.11 4.02 4.92 5.79 6.66 7.51 9.18 10.8 13.2 15.6 15.4 15.1 14.8

1.22 2.27 3.27 4.24 5.17 6.10 7.00 7.90 9.65 11.4 13.9 16.4 16.6 16.2 15.9

1.27 2.37 3.43 4.44 5.43 6.39 7.35 8.28 10.1 11.9 14.6 17.2 17.7 17.3 17.0

1.34 2.49 3.59 4.65 5.68 6.69 7.69 8.67 10.6 12.5 15.3 18.0 18.9 18.4 18.1

1.39 2.60 3.75 4.85 5.94 7.00 8.04 9.06 11.1 13.1 16.0 18.8 20.1 19.6 19.3

1.58 2.94 4.24 5.48 6.72 7.91 9.09 10.2 12.5 14.8 18.0 21.2 23.4 23.2

1.70 3.16 4.57 5.91 7.23 8.51 9.79 11.0 13.5 15.9 19.4 22.9 25.2 25.8

1.82 3.39 4.89 6.34 7.75 9.13 10.5 11.8 14.5 17.0 20.8 24.5 27.0 28.4

2.01 3.74 5.39 6.98 8.54 10.1 11.6 13.0 15.9 18.8 22.9 27.0 29.7

2.32 4.33 6.23 8.07 9.87 11.6 13.4 15.1 18.4 21.7 26.5 31.2 34.3

2.63 4.91 7.08 9.17 11.2 13.2 15.2 17.1 20.9 24.6 30.1 35.5

2.95 5.50 7.92 10.3 12.5 14.8 17.0 19.2 23.4 27.6 33.7

3.27 6.10 8.78 11.4 13.9 16.4 18.8 21.2 26.0 30.6 37.4

3.59 6.70 9.65 12.5 15.3 18.0 20.7 23.3 28.5 33.6

10 20 30 50 70 100 150 200 250 300 350 400 450 500 550 600 700 800 900 1000

0.24 0.44 0.64 1.01 1.37 1.88 2.71 2.95 2.88 2.83 2.79 2.75 2.71 2.68 2.65 2.64 2.60 2.56 2.53 2.51

0.25 0.48 0.70 1.11 1.50 2.06 2.98 3.35 3.28 3.22 3.18 3.12 3.10 3.06 3.03 3.00 2.96 2.92 2.88

0.28 0.54 0.76 1.21 1.64 2.25 3.24 3.78 3.70 3.63 3.58 3.53 3.49 3.45 3.42 3.39 3.34 3.30

0.31 0.58 0.83 1.31 1.77 2.44 3.51 4.22 4.13 4.06 3.99 3.94 3.90 3.86 3.82 3.78 3.73

0.34 0.62 0.88 1.41 1.90 2.63 3.79 4.69 4.58 4.50 4.44 4.37 4.32 4.28 4.24 4.20 4.13

0.36 0.66 0.95 1.51 2.05 2.83 4.06 5.16 5.05 4.96 4.88 4.81 4.76 4.71 4.66 4.62

0.38 0.71 1.02 1.61 2.18 3.02 4.34 5.62 5.54 5.43 5.35 5.28 5.21 5.16 5.11 5.07

0.40 0.75 1.09 1.72 2.32 3.20 4.61 5.98 6.02 5.91 5.83 5.75 5.68 5.62 5.56 5.52

0.43 0.80 1.15 1.82 2.47 3.39 4.89 6.34 6.53 6.42 6.31 6.23 6.17 6.10 6.05

0.46 0.84 1.22 1.93 2.60 3.59 5.17 6.70 7.05 6.93 6.82 6.73 6.65 6.58 6.53

0.48 0.88 1.29 2.02 2.75 3.78 5.46 7.06 7.59 7.45 7.35 7.24 7.16 7.08

0.50 0.94 1.34 2.13 2.88 3.98 5.74 7.43 8.14 7.99 7.87 7.76 7.68 7.60

0.52 0.98 1.41 2.24 3.03 4.18 6.02 7.79 8.70 8.55 8.42 8.30 8.20

0.55 1.03 1.47 2.35 3.18 4.37 6.30 8.16 9.28 9.12 8.97 8.85 8.75

0.58 1.07 1.54 2.45 3.31 4.57 6.58 8.53 9.87 9.68 9.53 9.41

0.64 1.22 1.74 2.76 3.74 5.16 7.44 9.64 11.7 11.5 11.3

0.70 1.31 1.88 2.98 4.03 5.56 8.02 10.4 12.7 12.7 12.5

0.75 1.41 2.02 3.19 4.33 5.97 8.59 11.1 13.6 14.0

0.83 1.54 2.23 3.53 4.77 6.57 9.46 12.3 15.0 16.0

0.95 1.78 2.57 4.06 5.51 7.59 10.9 14.2 17.3

1.09 2.02 2.92 4.62 6.26 8.62 12.4 16.1

1.22 2.27 3.27 5.17 7.01 9.66 13.9 18.0

1.35 2.52 3.62 5.74 7.76 10.7 15.4 20.0

1.47 2.76 3.98 6.30 8.54 11.8 16.9

Super Low-Noise Chain Max. Horsepower Ratings (RC60SLN, RC80SLN)



Unit (HP)

Unit (HP)

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RC65 0.500 0.140 0.306 0.143 0.358 0.415 0.435 0.437 0.236 0.256 0.240 0.380 0.039 1826 2024 0.18

RC65-E 0.500 0.140 0.306 0.143 0.358 0.415 0.435 0.437 0.236 0.256 0.240 0.380 0.039 1826 2024 0.182

In addition to general application chain, we also manufacture a number of specific application chain such as bicycle chain.

Some specialty chain are applicable with standard sprockets and others are not. Various wear resistance measures taken for

general application chain are not to apply for DID specialty chain.

Specialty chain can be classified as follows:

Bicycle Chain

Bicycle chain is a pronoun of the DID brand, as we were founded

for the production of bicycle chain. Because if its consistent qual-

ity, they are used for many bicycles in Japan and other foreign

countries. Recently, Hi-Guard chain (E) with an additional rust

preventive treatment have been favorably received by users. The

bicycle chain has been continuously examined and improved in

performance, quality and specifications as evidenced by the avail-

ability of current product lines. As a result, they have dimensions

and forms that make them the lightest and most compact chain in

their pitch length. Presently, they are used in many applications

other than bicycles, including vending and automatic change

machines, agricultural implements, etc.

3. DID Speciality Chain

Note: (E) model are high Anti-tight joint performance type.


Offset link Snap type connecting link Spring clip type connecting link

d E F G J f g l H T

Chain No.Pitch Roller

LinkWidth

Roller(Bush)

Dia.

Pin Plate

P W D

Approx.Weight

DIDMin. TensilStrength

DIDAvg. TensilStrength

lbs lbs (lbs/FT)

• Bicycle chain

• Small pitch chain

• Engine mechanism chain

• Silent chain

• Motorcycle chain

• Agricultural chain

• Leaf chain

• British Standard roller chain

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RC65

RC65-E

60

Small Pitch Chain

The smallest chain among ANSI roller chain is RC25 with 1/4” in

pitch. In recent years, high technology machinery such as office

equipment, medical machines and industrial robots demand

smaller chain, and we are manufacturing RC15 with 3/16”pitch,

and also RC15H which is the high-power version of RC15. They

are precision manufactured chain with good wear resistance

resulting from our stringent quality control.

RC15: A high

precision micro-pitch

bushing chain smaller

than RC25 is designed

for general mini-driving

applications.

Selection of chainRefer to the “Slow-speed selection”(P. 65). However, the chain operation speed can be very high, depending on the type of lubrication, as shown in the table on the right.

Connecting link and offset links As for the connecting link, Slip fit clip type connecting links are available. However, since its strength is lower than that of the base chain, and since the spring clip can possibly come off in high speed operation, the use of clip type connecting links is not recommended. For high speed operation, riveted endless chain is recomended. Offset links are available for chain other than RC15 and RC15H, but their use is not recommended for the same reason as stated for the Slip fit clip type connecting links.


Operating Speed and Type of Lubrication

Clip type connecting link

d E F T t HP W D

Chain No. PitchRollerLink

Width

Roller(Bush)

Dia.

Pin PlateApprox.Weight

Bearing Area(cm2)

DIDAvg. TensilStrengthlbs lbs (lbs/FT)

DIDDia Length Width

DIDMax. Allowable

Load

Type A oil feeder,brush piling,

dropping

Type B oil bath,oil splatter

Type CPump oiling

RC15 0.188 0.094 0.098 0.064 0.246 0.272 0.024 0.024 0.169 0.009 594 110 0.060

RC15H 0.188 0.125 0.098 0.064 0.287 0.000 0.028 0.028 0.169 0.122 704 132 0.069

RC25 0.250 0.125 0.130 0.091 0.307 0.335 0.028 0.028 0.232 0.017 990 165 0.090

RC25H 0.250 0.125 0.130 0.091 0.354 0.372 0.039 0.039 0.232 0.019 1320 242 0.109

RC25T 0.250 0.125 0.130 0.091 0.315 0.335 0.028 0.028 0.232 0.017 990 165 0.090

RC35 0.375 0.188 0.200 0.141 0.472 0.512 0.049 0.049 0.354 0.041 2530 484 0.223

RC35T 0.375 0.188 0.200 0.141 0.472 0.512 0.049 0.049 0.354 0.041 2530 484 0.223

RC15 656FT/min and under 3937FT/min and under

RC15H


RC25H

RC25T


RC35T

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RC25: The smallest

bushing chain among

ANSI chain.

RC35: ANSI bushing

chain recommended

for small precision

machines, etc. require

greater strength.

61

Leaf Chain


AL type BL type

Leaf chain consists of pins and plates only and generally have greater tensile strength than roller chain.

Leaf chain is suitable for lifting and pulling applications

Chain Pitch Plate Pin Min. Tensile


Load

Approx. Weight

End Fittings

P H T d L (Max) (Max) (lbs/ft)(lbs) (lbs)

b R U F G A B(Min.) (Min.) (Min.) (Min.) (Min.)

AL 422 0.50 0.41 0.06 0.16 0.33 3740 418 0.24 0.16 0.25 0.22 _____ 0.13 0.12

AL 444 0.58 7480 792 0.48 0.13 0.13 0.36

AL 466 0.82 11220 924 0.72 0.13 0.13 0.61

AL 522 0.63 0.51 0.08 0.20 0.43 6160 682 0.42 0.20 0.31 0.28 _____ 0.17 0.16

AL 544 0.74 12320 1430 0.82 0.17 0.17 0.48

AL 566 1.08 18480 1518 1.23 0.17 0.17 0.81

AL 588 1.41 24640 1936 1.63 0.17 0.17 1.15

AL 622 0.75 0.61 0.09 0.23 0.51 8580 968 0.58 0.24 0.37 0.34 _____ 0.20 0.19

AL 644 0.89 17160 1848 1.15 0.20 0.20 0.58

AL 666 1.28 25740 2134 1.71 0.20 0.20 0.96

AL 688 1.67 34320 2750 2.27 0.20 0.20 1.36

AL 822 1.00 0.82 0.13 0.31 0.65 14520 1782 1.03 0.31 0.50 0.45 _____ 0.27 0.25

AL 844 1.17 29744 3300 2.03 0.27 0.27 0.77

AL 866 1.69 43560 3938 3.02 0.27 0.27 1.29

AL 888 2.19 58080 5060 4.02 0.27 0.27 1.80

AL 1022 1.25 1.02 0.16 0.38 0.81 22000 2904 1.68 0.38 0.62 0.56 _____ 0.33 0.31

AL 1044 1.45 44000 5566 3.31 0.33 0.33 0.96

AL 1066 2.10 66000 6424 4.94 0.33 0.33 1.61

AL 1088 2.72 88000 8316 6.56 0.33 0.33 2.23

AL 1222 1.50 1.22 0.19 0.44 0.96 31020 4202 2.33 0.44 0.75 0.67 _____ 0.39 0.38

AL 1244 1.73 62040 8074 4.61 0.39 0.39 1.15

AL 1266 2.49 93060 9284 6.87 0.39 0.39 1.91

AL 1288 3.26 124080 11990 9.13 0.39 0.39 2.68

AL 1444 1.75 1.42 0.22 0.50 2.03 80080 9724 5.79 0.50 0.87 0.78 0.46 0.46 1.34

AL 1466 2.89 120120 11176 8.64 0.46 0.46 2.20

AL 1644 2.00 1.61 0.25 0.56 2.29 103400 13002 7.60 0.57 1.00 0.89 0.52 0.52 1.53

AL 1666 3.32 155100 14982 11.35 0.52 0.52 2.57

BL 423 0.50 0.47 0.08 0.20 0.51 5280 990 0.48 0.20 0.25 0.25 _____ 0.25 0.24

BL 434 0.68 8360 1122 0.66 0.08 0.17 0.41

BL 446 0.93 11000 1320 0.76 0.17 0.25 0.66

BL 466 1.08 16500 1386 1.13 0.17 0.17 0.81

BL 523 0.63 0.59 0.09 0.23 0.60 8800 1672 0.77 0.24 0.31 0.31 _____ 0.30 0.29

BL 534 0.79 13200 1914 1.06 0.10 0.20 0.48

BL 544 0.89 17600 2024 1.21 0.20 0.20 0.58

BL 546 1.08 17600 2222 1.51 0.20 0.30 0.77

BL 566 1.28 26400 2332 1.80 0.20 0.20 0.97

BL 623 0.75 0.71 0.13 0.31 0.78 15400 2442 1.15 0.31 0.37 0.37 _____ 0.39 0.39

BL 634 1.04 23100 2794 1.60 0.13 0.26 0.65

BL 644 1.17 30800 2970 1.81 0.26 0.26 0.78

BL 646 1.44 30800 3234 2.25 0.26 0.39 1.05

BL 666 1.69 46200 3410 2.69 0.26 0.26 1.30

BL 823 1.00 0.95 0.16 0.38 0.97 23100 4444 1.90 0.38 0.50 0.50 _____ 0.49 0.48

BL 834 1.29 34760 5060 2.64 0.17 0.33 0.80

BL 844 1.45 46200 5368 3.01 0.33 0.33 0.96

BL 846 1.77 46200 5896 3.74 0.33 0.49 1.28

BL 866 2.10 67320 6182 4.48 0.33 0.33 1.61

BL 1023 1.25 1.19 0.19 0.44 1.15 31680 7216 2.88 0.44 0.62 0.62 _____ 0.59 0.57

BL 1034 1.54 50600 8228 4.00 0.20 0.39 0.96

BL 1044 1.73 61600 8734 4.56 0.39 0.39 1.15

BL 1046 2.11 63360 9570 5.68 0.39 0.59 1.53

BL 1066 2.49 94600 10054 6.80 0.39 0.39 1.91

BL 1223 1.50 1.43 0.22 0.50 1.32 44000 11132 3.71 0.50 0.75 0.75 _____ 0.69 0.67

BL 1234 1.78 70400 12694 5.16 0.23 0.46 1.13

BL 1246 2.45 88000 14740 7.33 0.46 0.69 1.80

BL 1423 1.75 1.66 0.25 0.56 1.52 52800 14652 5.47 0.57 0.87 0.87 _____ 0.79 0.76

BL 1434 2.05 86900 16698 7.60 0.26 0.52 1.30

BL 1446 2.80 105600 19404 10.79 0.52 0.79 2.04

BL 1623 2.00 1.90 0.28 0.69 1.75 80300 17336 7.05 0.69 1.00 1.00 _____ 0.89 0.86

BL 1634 2.34 156200 20922 9.80 0.30 0.60 1.45

BL 1646 3.23 160600 24244 13.92 0.60 0.89 2.34

Please contact us for these

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Please consider BL type for new applications. AL type was removed

from ANSI B29.8 Leaf chain standard in 1977.

The chain size is selected according to the following formula:

Acting tension x Service factor < Maximum allowable load

Periodical inspection and replacement for leaf chain

Be sure to provide periodical inspection and lubrication to

maintain the safety and prolong chain life. Non-conforming

conditions, and possible causes and solutions for such conditions

for leaf chain are summarized in the following table.

Selection of leaf chain

Notes: 1. Acting tension includes the dead weight of the

chain, the weight of the attachment and inertia.

2. If the chain speed exceeds 90ft/min, use a DID

roller chain.

Minimum sheave diameter: S.D = Chain pitch x 5

Minimum width between flanges: L = Overall length

of pin x 1.05

• If connecting pins are provided: L1 x 1.05

L1 is the value stated in the table of dimensions.

F.D = S.D + Maximum link plate height (H)

Note: If dimension H exceeds 1.00, F.D = S.D

1.00 can be adopted as the minimum flange

outer diameter.

WearCircumferential wear of plate Replace the chain if wear loss

reaches 5 percent of H.

Misalignment of guide

or pulleys

Oblique wear of plate and

pin head

Correct alignment.

• Dust or foreign

materials in articulation

• Corrosion and rust

• Bent pin (Plastic

deformation)

Stiff link• Wash and re-lubricate

• Replace the chain.

• Replace the chain.

Excessive tension or

insufficient lubrication

for the load

Abnormal protrusion or rota-

tion of pin head

Replace the chain, improve

lubrication and eliminate

overload.

Normal pin Rotating pin

Wear

Non-conforming condition Possible Cause Repair

Non-conforming condition Possible Cause Repair

WearWear elongation Replace the chain at 1.03L.

Note: Wear elongation of a chain

reduces its tensile strength.

Wear elongated of 3% reduces

the tensile strength by 18 percent.

The wear life of chain can be

improved by lubrication.

Replace the chain.

Overload conditionsCracked plate (1) Replace the chain with a chain

larger in maximum allowable

load, or eliminate the overload

condition or dynamic (shock)

overload.

Crack: From the hole of a link

plate toward the end of the link

plate in the direction perpendicu-

lar to tension direction

Plastic deformation (elonga-

tion) due to overload

Heavy rust or exposure

to an acidic or corrosive

environment

Cracked plate (2) Replace the chain and protect

from corrosive environment.

Crack: In an oblique direction

against tension direction

High level of overloadBroken plate

(Tension direction)

Replace the chain and eliminate

the cause of overload.

High level of overload Replace the chain and eliminate

the cause of overload.

Corrosive environmentPitting Corrosion Replace the chain and protect

from corrosive environment.

Normal wearWear of connecting pin Exchange the worn component.

New chain L

When start and stop

are smooth with small

load varies.

Smooth

transmission

Nature of load Service factor Examples of applications Recommendation

When start, stop, load

variation or reversing

occurs often.

With some

light to me-

dium shock

When sudden start,

stop or reversing

occurs and when the

load varies greatly.

With large

shock

1.0

1.2

1.4

For lifting a balance

weight

Forklift, etc.

Mining, construction

machine, etc.

AL type

AL type and

BL type

BL type and DID

roller chains

Service factor

Extended plate hole

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British Standard Roller Chain

DID British Standard roller chain conform to the ISO “B series”. The

chain in conformity with the ISO-B standard is manufactured with the

British Standard and German Standard.

For sprockets, use those in conformity with the British Standard.

ISO “B”Min. Tensile

Strength

DID d E F G f g c T t H h

Chain No. PitchRollerLink

Width

Roller(Bush)

Dia.Pin Plate

P W D

Approx.Weight

lbs lbs (lbs/FT)

DIDAvg. Tensile

Strength

ISO “B”

Transverse

RC04B 04B 0.236 0.110 0.157 0.073 0.254 0.289 0.163 0.025 0.025 0.193 0.193 660 748 0.080

RC05B 05B 0.315 0.118 0.197 0.091 0.299 0.339 0.189 0.222 0.030 0.030 0.280 0.244 990 1276 0.121

RC05B-2 05B-2 0.522 0.561 1760 2068 0.228

RC06B 06B 0.375 0.225 0.250 0.129 0.518 0.535 0.291 0.403 0.051 0.039 0.323 0.323 2002 2354 0.262

RC06B-2 06B-2 0.896 0.941 3784 4356 0.496

RC06B-3 06B-3 1.299 1.350 5588 6160 0.738

RC08B 08B 0.500 0.305 0.335 0.175 0.657 0.713 0.390 0.548 0.059 0.059 0.469 0.409 4004 4400 0.449

RC08B-2 08B-2 1.209 1.260 6974 7700 0.872

RC08B-3 08B-3 1.756 1.811 9988 11000 1.287

RC10B 10B 0.625 0.380 0.400 0.200 0.744 0.803 0.429 0.653 0.059 0.059 0.579 0.512 4972 5720 0.577

RC10B-2 10B-2 1.398 1.457 9988 11440 1.127

RC10B-3 10B-3 2.055 2.114 14960 17160 1.703

RC12B 12B 0.750 0.460 0.475 0.225 0.874 0.929 0.500 0.766 0.071 0.071 0.634 0.575 6490 7040 0.764

RC12B-2 12B-2 1.642 1.697 12958 14080 1.529

RC12B-3 12B-3 2.413 2.469 19448 21120 2.320

RC16B 16B 1.000 0.670 0.625 0.326 1.378 0.000 1.500 0.811 1.255 0.157 0.126 0.819 0.819 13464 14300 1.717

RC16B-2 16B-2 2.638 0.000 2.756 23782 28600 3.433

RC16B-3 16B-3 3.898 0.000 4.012 35904 42900 5.090

RC20B 20B 1.250 0.770 0.750 0.401 1.614 0.000 1.732 0.925 1.435 0.177 0.138 1.024 1.024 21318 22000 2.555

RC20B-2 20B-2 3.047 0.000 3.169 38148 44000 5.076

RC20B-3 20B-3 4.488 0.000 4.606 56078 66000 7.577

RC24B 24B 1.500 1.000 1.000 0.576 2.102 0.000 2.311 1.260 1.904 0.236 0.197 1.224 1.224 35904 37400 4.748

RC24B-2 24B-2 4.008 0.000 4.217 62810 74800 9.321

RC24B-3 24B-3 5.913 0.000 6.122 95348 112200 13.881

Cotter Type(16B & Larger)

Clip Type(12B & Smaller)

Note: 1. The plate shape of 06B is straight edged.2. The connecting link for 06B-12B is clip type and that for 16B-24B is cotter pin type.


Offset Link

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64

1 Operation is carried out in room temperature (140F ~140°F)

free from dust and dust-containing liquid.

2 There is no corrosive gas, or humidity, etc. to adversely

affect the chain.

3 Proper lubrication is maintained.

4 The chain is used under conditions of a low start-stop

frequency and a fairly stable load.

The chain can be selected according to the following two

methods:

(1) General selection

(2) Slow-speed selection

The general selection method (1) considers, not only

chain tension but also the shock load on the bushing and

rollers due to the engagement between the sprockets and

the chain and the wear of pins, bushings and rollers.

The slow-speed method (2) is applied when the chain is

operated at a speed of 164 ft/min or less. In general, the

chain selected by this method is subject to conditions

more severe than that selected according to method (1).

Thus, careful assessment of conditions characterize this

method.

4. Design of Roller Chain Transmission

1. The description in this chapter can be applied when a

chain is endlessly engaged for transmission with two

sprockets parallel in their shafts and accurate in

alignment as illustrated below.

4-1 How to select the proper chain

4-1-1 General selectionFirst, the following information is required.

1 Power to be transmitted (HP)

2 Speeds of driving shaft and driven shaft (speed ratio)

and shaft diameters

3 Center distance between driving shaft and drive shaft

(a) Correction of power to be transmitted (HP)Actual power to be transmitted is affected by the load anddepends on the machine and power source used, to realize the expected service life (for example, 15,000 hours in the case of capacities shown in the table of maximum horsepower ratings). Correction must be made. An indicator of the degree of loading is the factor shown in Table 1. The power to be transmitted (HP) is multiplied by the cor-responding service factor to obtain a corrected power.

Corrected power (HP) = Power to be transmitted (HP) x

Service factor

2. When a chain is to be used for lifting, pulling dollies or

being engaged with a pin gear, etc., please consult us.

3. To ensure that a selection has a sufficiently large

allowance, select a chain in conformity with regulation

guides, if any, and with reference to the maximum

horsepower rating described below.

(b) Determination of number of teeth of chain and smaller sprocket

Use of simple selection chart

The number of teeth of the smaller sprocket and the chain to be

used are tentatively decided with reference to the simple selec-

tion chart (P.66-P.67) and the corrected power (P.64-P.65).

Using the table of maximum horsepower ratingsIf the results tentatively decided as described above are close to the design values, the number of teeth of the smaller sprocket can be determined with reference to the table of

maximum horsepower ratings. The maximum horsepower ratings are established anticipating that an endless chain with 100 links has a life of 15,000 hours under the following conditions. (That is, the breaking of the chain and the coming-off of bushings and rollers do not occur at a wear elongation of 2 percent or less.)

For multiplex chainSelect a multiplex chain, when the capacity of a sinplex chain

is insufficient. The maximum horsepower rating of a multiplex

chain cannot be obtained by multiplying the maximum horse-

power rating of a simplex chain by the number of strands,

since the load acting on the respective stands of the multiplex

chain cannot be accurately divided. For the correction factor in

this case, see the following table of multi-strand factors. Our K,

KS Type Roller Chain and HKS Type Roller Chain are

available up to triplex.

Table 1. Service Factor

Horsepower Rating of Multi-Strand Chain

=Horsepower Rating of Simplex Chain X Multi-Strand Factor

Table 2. Multi-Strand Factor

Type of Drive Load

Type of Input Power Electric

Motor or

Turbine

Inner Combustion Engine

with MultipleCylinder or

Hydraulic Drive

without MultipleCylinder nor

Hydraulic Drive

Smooth (ex. Agitator,Centrifugal Blower , Feed-er,

Moderate Shock (ex. Generalwork machines, Compressors,dryers)

Large Impact (Presses, Construction

or mining machines, Vibration machines,

General machine with reverse or Impact load)

1.0

1.3

1.5

1.0

1.2

1.4

1.2

1.4

1.7

2

3

4

5

1.7

2.5

3.3

3.9

Number of Roller Chain Strand Multi-Strand Factor

Driven

Drive

Up sideDown side

SP

RO

CK

ET

65

Cautions for determining the number

of teeth of smaller sprocketWhen a chain of the minimum chain pitch requiredmaximum horsepower rating is selected, relatively silent andsmooth transmission can be achieved, and the equipmentcan be compact.However, considering smooth chain transmission, thewear of the chain and sprockets, etc., it is desirable thatthe sprocket have 15 or more teeth, and preferably an oddnumber. Avoid 12 teeth, 14 teeth,16 teeth, etc. as muchas possible. If the sprocket has 12 or fewer teeth, thechain and sprocket willl be heavily worn and vibrate, andtransmission will not be smooth. Likewise, avoid a smallnumber of teeth as much as possible except in the case of low speed without shock.

Examination of shaft diameterWhen the number of teeth of the samller sprocket is determined, multiply it by the speed ratio, and confirm whether the required shaft hole diameter can be secured in reference to the maximum shaft hole diameter in the table of sprocket dimensions. If the required shaft hole diameter is larger than the maximum shaft hole diameter, increase the number of teeth further or choose the next higher chain size and re-examine

(c) Determine of the number of teeth of larger sprocketWhen the number of teeth of the smaller sprocket is decided, multiply it by the speed ratio to determine the number of teeth of the larger sprocket.In general, if the number of teeth of the sprocket is larger, the bending angle of the chain is smaller to increase durabillty and enhance transmission efficiency. However,if the number of teeth is too large, slight elongation tendsto cause the chain to ride over the sprocket. So, keep the maximum number of teeth at 114 or less.

A speed ratio refers to the ratio of the speed of the drivingshaft to the speed of the driven shaft, and usually a speedratio of 7 : 1 or less is safe. If the speed ratio is larger, thetake-up angle of the chain on the smaller sprocket decreases, and the jumping of chain and abnormal sprocket wear are likely to occur. If a large speed ratio isnecessary, selection of two-step speed change may benecessary.

4-1-2 Slow-speed selectionThe slow-speed selection method is used when the chainoperation speed is 164 ft/min or less and there is no worryof wear elongation and shock fracture of rollers andbushing. In slow-speed selection, the chain is selected in referenceto the tensile fatigue strength of the chain. Therefore, achain selected according to this method willl be subject tomore severe conditions than one selected according tothe general selection method. When the slow-speed selection method is used, special care must be exercised. For the connecting links and offset links, the slow-speedselection method cannot be used.

(a) How to obtain corrected chain tension

Corrected chain tension =(Maximum tension acting on chain lbs x (Service factor) See Table 1 on the previous page.

To calculate the corrected chain tension, correctly identify the maximum tension acting on the chain. Theshock is considered to some extent in the service factor,but it is not absolute. Also consider the increase oftension by the inertia of equipment caused by starting andstopping.

(b) Comparison with the maximum allow-ableUsing the maximum allowable load stated in the tableof dimensions of respective chain, the sprocket toothfactor, and speed factor of the smaller sprocket listedbelow, obtain the corrected maximum allowable loadfrom the following formula:Corrected maximum allowable load =

(Maximum allowable load)x(Sprocket tooth factor) x (Speed factor)

See the table of chain dimensions See the following Table 1.

See the following Table 2.

If the corrected maximum allowable load is larger than

the corrected chain tension, you can select the chain.

For the number of teeth and speed of smaller sprocket not

stated in Table 1 or 2, obtain the sprocket tooth factor and

speed factor by linear interpolation.

Speed ratio

Number of Tooth

on Small Sprocket

Sprocket Tooth

Factor CNT

rpm on

Small Sprocket

Rotating Factor

CV

9 T 0.903

11T 0.923

13T 0.939

15T 0.952

20T 0.978

23T 0.990

26T & over 1.00

10 rpm & under 1.00

20 rpm 0.933

30 rpm 0.896

40 rpm 0.871

50 rpm 0.851

100 rpm 0.794

200 rpm 0.741

Table 1. Sprocket Tooth Factor Table 2. Rotating FactorE

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RC 6 0

1 3

1 7

2 3

RC 5 0

2 3

1 7

1 3

2 3

1 7

1 3

RC 4 0

1 3

1 7

2 3

RC 3 5

RC 2 5

1 31 7

2 3

3 0

1 3

1 7

2 3

RC 8 0

2 3

1 7

1 3

RC 1 0 0

RC 1 2 0

R C 1 4 0

R C 2 4 0

R C 1 6 0

R C 2 0 0

R C 1 4 0

2 3

1 7

1 3

1 3

1 7

2 3

1 31 7

2 3

2 3

1 7

1 32 3

1 7

1 7

2 3

1 3

1 0 1 0 0 5 0 0 01 0 0 0 1 0 0 0 01

0 . 1

0 . 2

0 . 3

0 . 4

0 . 5

0 . 6

0 . 7

0 . 8

0 . 9

1

2

3

4

5

6

7

8

9

1 0

2 0

3 0

4 0

5 0

6 0

7 0

8 0

9 0

1 0 0

2 0 0

3 0 0

4 0 0

5 0 0

5 0 05 0

C o n v e r t b a s e d o n

t h e d a t a p r o v i d e dr . p . m . - S m a l l S p r o c k e t

4-1-3 DID Standard Roller Chain

Selection Chart

(How It Works)Assuming that the corrected hp value and r.p.m. of small

sprocket are 13hp and 100rpm respectively, the

suggested roller chain size is read as “RC100” and the

number of teeth on the small sprocket is read as “17”.

This is in reference to the intersection of the corrected

horsepower value 13hp (vertical axis) and the number of

small sprocket tooth (horizontal axis).

Cor

rect

ive

hp V

alue

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DID KS Type Roller Chain Selection Chart

Please refer to P. 64 for how to use this chart.

Convert based on the data provided

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HI-PWR-S 240 = RC240 KSR

HI-PWR-S180 = RC180 KSR







68

The center distance between the driving and driven shaftsmust be, of course, more than the sum of the radius of bothsprockets. In general, it is said that a proper sprocket cen-ter distance is 30 to 50times the chain pitch.However, if the load is pulsating, 20 timesor less is proper. The take-up angle between the smaller sprocket and thechain must be 120or more. If the roller chain length Lp is given, the center distance between the sprock-ets can be obtained from the following formula:

Required length of roller chainUsing the center distance between the sprocket shafts andthe number of teeth of both sprockets, the chain length (pitch number) can be obtained from the following formula:

Lp:Total length of chain (pitch number)

N1: Number of teeth of smaller sprocket

N2: Number of teeth of larger sprocket

Cp: Center distance between two sprockets/Chain pitch

{(N2 - N1)/2π}2 can be obtained from the following table.

The Lp (pitch number) obtained from the above formula canseldom be an integer,and usually includes a decimalfraction. Raise it to a unit to make it an integer.If the number is odd, use a offset link. Select an evennumber as much as possible.When Lp is determined, re-calculate the center distance between the driving shaft and driven shaft as described inthe paragraph below. If the sprocket center distance cannotbe altered, eliminate the chain sag using an idler or chaintightener shown on P.69.

Center distance between driving and driven shafts

Cp: Sprocket center distance (pitch number)Lp: Total length of chain (pitch number)N1: Number of teeth of smaller sprocketN2: Number of teeth of larger sprocket

4-2 Chain Length and Sprocket Center Distance

Lp = + 2 Cp +

Sprocket center distance

Cp = L

p – + L

p – ( )

2

{ – 2

π2

1

4(N

2 – N

1)2}

N2 – N

1

2

N2 – N

1

2

N1 + N

2

2

{N2 – N

1 / 2 π } 2

Cp

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12345678910111213141516171819202122232425262728293031323334

0.200.811.823.245.077.309.93

12.9716.4120.2624.5229.1834.2539.7245.5951.8858.5665.6673.1581.0689.3798.08

107.20116.72126.65136.99147.73158.87170.42182.38194.74207.51220.68234.26

35363738394041424344454647484950515253545556575859606162636465666768

N2-N

1

12345678910111213141516171819202122232425262728293031323334

{(N2–N

1)/2π}2

0.030.100.230.410.630.911.241.622.052.533.073.654.284.975.706.497.328.219.14

10.1311.1712.2613.4014.5915.8317.1218.4719.8621.3022.8024.3425.9427.5929.28

N2-N

1 {(N2-N

1)/2π}2

31.0332.8334.6836.5838.5340.5342.5844.6846.8449.0451.2953.6055.9658.3660.8263.3365.8868.4971.1573.8676.6279.4482.3085.2188.1891.1994.2597.37

100.54103.75107.02110.34113.71117.13

N2-N

1

69707172737475767778798081828384858687888990919293949596979899100

{(N2-N

1)/2π}2

120.60124.12127.69131.31134.99138.71142.48146.31150.18154.11158.09162.12166.19170.32174.50178.73183.01187.34191.72196.16200.64205.17209.76214.40219.08223.82228.61233.44238.33243.27248.26253.30

N2-N

1{(N

2-N

1)/2π}2 N

2-N

1

35363738394041424344454647484950515253545556575859606162636465666768

{(N2-N

1)/2π}2

248.24262.63277.42292.62308.22324.23340.64357.46374.69392.32410.35428.79447.64466.89486.55506.61527.07547.95569.22590.91612.99635.49658.39681.69705.40729.51754.03778.96804.29830.02856.17882.71909.66937.02

69707172737475767778798081828384858687888990919293949596979899100

{(N2-N

1)/2π}2

964.78992.95

1021.521050.501079.881109.671139.871170.461201.471232.881264.691296.911329.541362.571396.011429.851464.091498.741533.801569.271605.131641.411678.081715.17

1752.661790.551828.851867.551906.661946.181986.102026.43

N2-N

1

69

4-3 Layout

When a roller chain is used, shaft positions can be optionallydetermined. However, in principle, decide as illustratedbelow. That is, if the chain is tensioned horizontally, keepthe top tensioned. Avoid vertical transmission whenever

possible. In an inevitable case, place the larger sprocketbelow regardless of the directiion of rotation.

When the chain layout is undesirable:When the top is sag and the sprocket center distance short:

As illustrated below, adjust the sprocket center distance

shaft to eliminate the sag.

When the top is sag and the sprocket center distance long:

As illustrated below, install an idler from inside to eliminate

the sag.

When the chain is vertical or inclined:

As illustrated below, eliminate the extra sag by a tensioner.

In this case, a tensioner that eliminates sag automatically

gives better results.

When a pulsating load acts in highspeed operation:The natural frequency of the chain and load shock cycle or

chordal action can be synchronized to vibrate the chain.

Vibration adversely affects the chain. Prevent it by any of the

following methods:

• Change the chain speed.

• Increase chain tension. However, note that over-tensioning

can shorten the life of the chain.

• Use and idler or tensioner to divide the span.

*Each shaft with an arrow is a driven shaft.

• Install a guide stopper to prevent vibration.Note: Chordal action

refers to the

vertical motion

of chain caused

when it is

engaged with

sprockets.

Idler

Guide Rail

Un

de

sira

ble

la

you

tD

esi

rab

le l

ayo

ut

Tension Idler

Spring type

tensioner

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.08

.16

70

5. Installation, Adjustment and Maintenance

5-1 Installation

5-1-1 Installation of sprocketsFor smooth transmission and extended life of the roller chain,

it is important to correctly install proper sprockets. Use the

following installation procedure.

1. Correctly install a sprocket on a shaft, and fix it by a key,

etc. to the shaft to prevent play between the sprocket

and shaft during operation.

2. Adjust the axial measurement using a level, to within ±1/300.

3. Adjust the parallel measurement ( ) to it within

±1/300.

4. Adjust the driving and driven sprockets using a straight

edge so they are on the same plane. (Also adjust the

idler and the sprockets, or the tensioner and the

sprockets similarly.)

Keep the allowance within the following value.

Plane difference allowance

Sprocket center distance

Sprocket center distance C Allowance § (in)

up to 3.3 Ft

3.3 ~ 33 Ft

over 33 Ft

±0.04

±C (in) /1000

±0.4

A–B

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71

5-1-2 Installation of roller chainWhen connecting a chain after engaging it with the

sprockets, observe the following procedure.

When using the sprocket teeth1. Engage the chain with the sprockets that both ends

of the chain are on either of the sprockets, as shown in the

following photo.

2. Insert connecting link pins in the ends of chain.

3. Install a connecting link plate, and fasten with a spring

clip or cotter pins.

In installation take extra care to avoid damaging sprocket teeth.

Cautions

1. When connecting plate is fastened with a spring clip,

apply the spring clip to the groves on the connecting

pins as illustrated below, and lock it using pliers, etc. As

for the direction of spring clip insertion, keep the opening

to opposite direction of chain rotation, as illustrated below.

2. In a place where the sprocket center distance

can be adjusted minimally, an odd number of links

may be used. However, add one link, to use an even

number of links, and eliminate the sag by shifting a

sprocket or installing an idler.

3. When a semi press fit connecting link is used, pins must

be driven into the connecting plate because of

interference. In this case, ensure that the pair of pins are

kept parallel to each other when inserted into the

connecting plate. Never make the holes of the

connecting plate larger or make the pins thinner for

easier connection work. This applies also when a cotter

type outer link (CP) is used instead of a connecting link.

Direction of rotation

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72

Connection of O-ring chain for general application

When an O-ring chain for general application is connected, the following should be kept in mind:

1. A connecting link of an O-ring chain for general application

is pre-coated with grease on the pins. Before connection,

make sure the grease is on the surfaces of pins, and if the

amount of grease is insufficient, apply grease manually. (lf a

glove is used ,the grease may be absorbed by the glove.)

Example: When the connecting link (I) of a O-ring chain for

general application is shipped, O-ring are fitted at the

roots of the pins. If the O-ring comes loose due tovibration during transport,

refit the O-ring in to the roots

of the pins. In this case, be

sure to return the grease

collected at the roots of the

pins to the central surfaces of

the pins, more at portions A

1. Confirm whether O-ring are installed at the roots of the pins.

2. If the amount of grease applied on the connecting pins

is small, coat the pins with grease at the central portions.

3. Insert the connecting pins into the bushings of the inner

links at both ends.

4. Confirm that the grease is applied to the entire face of

the O-ring, and fit the O-ring onto the connecting pins.

5. Insert the connecting pins into the connecting plate and

while pressing the connecting plate, install the spring

clip. Confirm whether the head (the end without a split)

of the spring clip is turned in the progresssion direction

of the chain. (See the following illustration.)

6. Be sure to confirm that the spring clip is securely fitted

in the clip grooves of the connecting pins.

This completes installation of the connecting link. Note that

grease on the surfaces of connecting pins and O-ring can be

removed during installation work. In this case, re-grease

using the grease on the surface of the base chain or the

grease in the polyethylene bag in which the connecting link

was contained.

Caution when fitting the

O-ring;

Grease must be on both

sides of the O-ring.

Sprocket tooth

Head of spring clip

Direction of chain rotation

Pin Link

Plate

than at portions B in the above illustration. (Portions A are

worn because of sliding with the bushings.)

2. The chain can be easily connected if worked on the teeth

of a sprocket. Engage the links at both the ends of the

chain with the sprocket teeth and fit connecting pins.

If the sprocket can be moved, the chain can also be

connected on the sag side.

3. Connecting procedure

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5-2 Maintenance

5-2-1 CheckA. Confirm the following before operation

Connected

joint

• Confirm whether the connection is sufficient and whether components are normal.

• Confirm whether bending is smooth.

(in the case of O-ring chain, bending is slightly stiff).

Chain sprocket

attachment

• Confirm whether there is any serious flaw, rust or wear.

• Confirm whether sag is proper.

• Confirm whether any pin rotates.

• Confirm whether rollers rotate smoothly.

• Confirm whether the chain engages the teeth of sprockets.

Interference • Confirm whether there is anything interfering with the chain, or

whether anything is likely to interfere with the chain or safety cover.

Lubrication • Confirm whether the amount of lubrication is appropriate. (For the amount of

lubrication, see the table of lubrication types.)

Driving anddriven shafts

• Confirm whether the axial measurement and parallel measurement are proper.

• Confirm whether the difference of sprocket planes is within the allowance.

Peripheral equipment • Confirm whether peripheral equipment is installed correctly.

B. After confirmation and adjustment of the above A, install the

safety cover, and switch on the power to start operation. It is possible for the chain to be thrown should it break. Do not stay in the direction of rotation during operation.

Caution Obstacles • Obstacles may cause breaking or fracturing which can scatter pieces and injure persons nearby. Be sure to remove all obstacles.Abnormal • Abnormal noise during operation is a sign of trouble.

noise Immediately switch off the power, and determine the cause.

Flaws and • If any serious flaw or rust is visible, it may cause the chain

rust to break and fracture and possibly injure a person nearby.

Confirm whether the chain has any potentially harmful flaw

or rust.

Sprocket • If a sprocket is worn, the sprocket may break, or the chain may ride over the sprocket, breaking it and possibly resulting in injury to a person nearby. Confirm whether or not the sprockets are worn.

Devices • Install accident prevention devices.that To avoid injury caused by scattered pieces, installprevent accident prevention devices (safety cover, drop net, etc.).

accidents • Install an emergency shutdown device.

To avoid injury due to unexpected overload, install an

emergency shutdown device such as a load controller or

brake.

Before trial operationConfirm the status of chain installation before starting

operation.

• Whether the chain correctly engages the sprockets.

• Whether the joint is normal. (Whether the spring clip is

incorrectly installed or whether cotters are bent.)

• Whether chain sag is proper.

• Whether the chain contacts the chain case.

• Whether lubrication is proper.

Checks during trial operationIf the chain can be manually rotated, rotate it to confirm no

abnormality before starting trial operation.

Be alert to the following during trial operation.

• Whether there is abnormal noise

If the chain contacts the chain case or if the chain heavily

vibrates, abornmal noise occurs. Check the installation of

chain case chain sag.

• Whether lubrication is normal during operation

Re-check the condition of lubrication.

5-2-2 Elongation limit of chainSag and elongation of chain• Events caused by sag failure

Even if the sag of the chain is normal before start of operation, it can

increase if the chain is elongated by worn pins, bushings, etc. If the

sag is excessive, the following will occur.

a. Abnomal vibration

b. Chain rollers ride over the heads of sprocket teeth

c. The chain is seized by a sprocket

d. The chain contacts the chain case

These conditions can often cause abnormal noise. Should any

abnormal noise occur, immediately stop operation, and check carefully

to determine the cause. Such conditions occur not only when the

chain is broken, but also when there is an equipment problem. A

preliminary check is necessary.

• Elongation limit of chain

Even if sag adjustment is normal, excessive elongation of the chain

can cause similar abnormality, inhibiting smooth transmission. In such

a case, replace the chain. The elongation of chains to the extent that

replacement is recommended is listed below. Even if only one link

reaches the elongation limit, replace the entire chain with a new one.

Unless lubrication is normal, the chain will elongate quickly, causing

the aforementioned troubles. Adequately understand the contents of

“Lubrication” in the next section, for performance of maintenance.

Elongation limits of chain

* If elongation of a sealed chain or sintered bushing roller chain exceeds the value in the

above table, the chain becomes equivalent to a standard chain, and is accelerated

compared to the wearing rate until then.

* The above elongations are applicable when the chain can be taken up or when a sag

adjusting device is installed. If the shafts are fixed without any sag adjusting device, the

recommended elongation limit is 0.5 to 0.7%.

3. Then, obtain chain elongation.

Chain elongation =

(Judgment length - Reference length)/ Reference length x 100 (%)

Reference length = Chain pitch x number of links

4. For measurement, measure the length of about six to ten

links to keep the measurement error as small as possible.

Chain wear-elongation check gageWe recommend and can supply a chain wear-elongation

check gage (P.73) that facilitates finding the elongation limit.

1. To eliminate other than a slight amount of play in the chain as a

whole, measure with the chain lightly tensioned.

Note: For the sake of accuracy, the chain is tensioned by a length

measuring load specified by JIS/ANSI during measurement.

2. As illustrated below, between the rollers for the number of links to be

measured, the inner length (L1) and the outer length (L2) are

measured to obtain the judgment length (L).

Number of teeth of

larger sprocketRegular chain Sealed chain and sintered

bushing roller cain

40 or less 2.0% .........................................1.0%

41 ~ 60 1.5 ............................................1.0

61 ~ 80 1.2 ............................................1.0

81 ~100 1.0 ............................................1.0

101 or more 0.8 ............................................0.8

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74

5-2-3 Sag adjustment of roller chainTo use a roller chain for a longer period of time, proper sag is an

important point to consider. If the roller chain is over-tensioned,

the oil film between pins and bushings is lost, shortening chain

life and damaging the bearings. If the chain is excessively sagged,

the chain will vibrate or be seized by the sprocket. In about 50

hours ( though depending on the service conditions ) after start-

ing the roller chain use, the chain will be elongated by about 0.1

percent of the entire length due to the conformability of respec-

tive contacts. So, adjust the sag at this time. Thereafter, if proper

lubrication is maintained, the elongation will be negligible. Check

and adjust the sag at the proper intervals.

Optimum sagIn general, sag S is about 2 percent of the span L, but in the

cases described below, it is about 1 percent.

Keep sag at 0.01L or less in the following cases:

o When the chain is installed vertically or almost vertically

o When the chain is installed horizontally or almost

horizontally with the top slackened

o When the center distance between sprockets exceeds 50

times the chain pitch

o When vibration or shock occurs

o When the chain is frequently started and stopped

o When the chain is suddenly reversed

o When the speed ratio is 7 : 1 or more (keeping the speed

ratio at 7 : 1 or less is safer and preferable)

Sag adjusting methodSag can be adjusted by the following methods.

1. Adjustment of center distance between shafts

2 . Adjustment using a tensioner or idler

3 . Increase or decrease of pitch number by offset link

By using a offset link, the total length of a chain can be

increased or decreased by one pitch. However, since

offset link performance is generally poor, an even number

of inks, if possible, is recommended.

5-2-4 Other checks• Checking sprocket

If a sprocket is not installed at the correct position of the

shaft or is not parallel to the shaft, the plates of the chain

may be flawed, or the chain may be twisted. This can be

judged by examining the contact

faces of the sprocket teeth. In

this illustration, a uniform contact

as indicated by A is normal. If the

contact is different on both sides

as indicated by B, correction is

necessary.

• Checking idler or tensioner

When sag is adjusted, check also whether the idler or

tensioner itself is damaged. If the contact between an idler

or tensioner and a chain is at the center of the tooth gap

bottom as indicated by C, it is normal. If the contact is as

indicated by A or B, the bearing of the idler or tensioner

may be abonormal.

• Checking chain accessories

In the case of a chain with attachments, if a mounted part

is loosely installed or comes off, an accident can result.

Furthermore, if an installation hole is enlarged due to wear,

the life of the chain may be shortened.

For problems during operation, see “Trouble Shooting ”.

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75

500C ~600C

(1220F~1400F)

400C ~500C

(1040F~1220F)

Atmospheric Temperature –100C ~00C

(140F~320F)

5-3 Lubrication

5-3-1 Necessity of lubricationIn a roller chain transmission, even if the chain and sprockets

are designed to suit the service conditions, poor lubrication

inhibits maintaining performance and life to design specifications.

In the case of a roller chain, the wear loss caused under proper

lubrication is dramatically different from that caused without it.

Troubles caused due to insufficient lubrication include the wear

of pins and bushings, rough engagement with the sprockets,

increased noise, and breakage as a result of prolonged

undesirable conditions. Proper lubrication is very important.

Locations and the effect of proper lubrication are listed below.

Proper lubrication locations Effect of proper lubrication

• Selection of lubricating oil.

See 5-3-2.

• Lubricating points

See 5-3-3.

• Lubrication type (lubricating method,

lubrication, intervals, amount of lubrication)

See 5-3-4.

The wear of frictional portions is decreased.

• Power loss is decreased.

• Seizure is prevented.

• Frictional heat is decreased.

• Generated heat is eliminated.

• Ensure smooth operation and

extends machine life.

5-3-2 Selection of lubricating oilSelect the lubricating oil of a roller chain in reference to the

lubrication type (P. 76), ambient temperature and chain No.,

according to the following table.

Lubricating oil should be a mineral oil of good quality. It is

important that the lubricating oil contains no dust or foreign

matter. Never use waste oil. If the ambient temperature is

lower than 140 F or higher than 1400 F, a special oil is

necessary. In this case, please consult our engineering

department.

5-3-3 Lubricating pointsIf the chain is immersed in an oil bath, oil will penetrate every

part of the chain. In the case of manual lubrication, brush

lubrication or drip lubrication, ensure that the oil sufficiently

penetrates the portions of 1 and 2 in the following

illustration.

Places to be lubricated

Lubricate on the sag side of the chain, i.e., at the position indicated in the

following illustration. Since the lubricating oil is also useful for rust prevention,

coating the entire surface of the chain with the oil is recommended.

Simplex Roller Chain Duplex Roller Chain

Specially designed lubricant must be applied when atmospheric temperature is under 14°F or over -140°F. Please consult with us for appropriate selection of lubricant.

A, B C

RC25~RC50

RC60~RC80

RC100

RC120~RC240

Chain No.

1. Between outer link and inner link (against wear elongation)

2. Between bush and inner plate (for noise reductiion and

protection against wear and impact damage on bush & roller)

Inner Plate

Outer Plate

Type of Lubrication

00C ~400C

(320F~1040F)

–100C ~00C

(140F~320F)

00C ~400C

(320F~1040F)

400C ~500C

(1040F~1220F)500C ~600C

(1220F~1400F)

SAE10W

SAE20

SAE30

SAE20

SAE30

SAE40

SAE30

SAE40

SAE50

SAE40

SAE50

SAE10W

SAE50

SAE20

SAE30

SAE30

SAE40

SAE40

SAE50

Oil

Pin

Roller

Bush

Places to be lubricated

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76

5-3-4 Lubrication Types (Explanation of A, B and C in the tables of maximum horsepower ratings)

The chain is selected with reference to the table of maximum

horsepower ratings, and the allowable horsepower rating for a

case where the chain size, number of sprocket teeth and speed

are decided is based on the assumption that any of the

following appropriate types of lubrication is adopted. If any

of the following lubrication types cannot be adopted or in an

environment where earth, sand or dust exists, use the DID

Ultimate Life Chain Series (see P. 43).

Lubrication type Name and method Lubrication intervals and amount Caution

Carry out periodical

manual or brush

lubrication, at least

once a day.

Supply about five to 20

drops of oil per one

minute.

In this case, since extra

oil is scattered,

installing a simple

casing is

recommended.

Keep the chain

immersed in oil, about

10 mm below the oil

surface. If immersion is

too deep, the oil will

become abnormally

hot.

Oil bath should be leak

proof. Before using the

case for the first time,

thoroughly wash the

inside to remove dust

and other foreign

matter.

A disc is used to apply oil

to the chain, Keep the

disk immersed in oil, at a

depth of about .787”.

Keep the peripheral speed

higher than 656 ft/min.

The amount of

lubrication must be set

to avoid abnormal

heating. In general, the

amount should not

allow the chain

temperatrue to exceed

140°F.

The case leak proof.

When using the case

for the first time,

thoroughly wash the

inside to remove all

dust and foreign

matter.

While rotating the chain

slowly, lubricate the entire

length uniformly three to

four times. Take care not to

allow your hand or clothes

to be caught by the chain

during lubrication. Note

that extra oil will be

scattered when the

operation is started.

Oil bath lubrication

Disc lubricationDisk

Forced fed lubrication

Use DID

Chain Lube

(see P.75).

A

B

C

Manual lubrication

Brush lubrication

Drip lubrication

Chain case

Pump

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77

5-3-5 General cautions for lubricationUnless normal lubrication is carried out, chain fatigue will

result, causing various problems. Careful inspection is

necessary.

In the case of insufficient lubrication

If the lubricating oil is exhausted, red rust is generated

between the inner and outer plates, causing sudden wear.

Therefore, the lubricating oil must be applied before this

happens. When a chain whose lubrications is exhausted is

disassembled,red rust is visible on the surfaces of pins, and

the surfaces are roughened, as ahown in this photo.

(Normally, pins have a mirror finish.)

Do not use grease for lubrication !!Do not use grease to lubricate your chain, since it takes too

long for grease to reach the clearances between pins and

bushings at room temperature. Use the machine oil shown in

the table on P. 75 or DID Chain Lube (a spray lubricant).

Before lubrication, remove foreign matter and dirt from the

chain as thoroughly as possible. If water is used for washing

the chain, quickly dry it, then lubricate to prevent corrosion.

In the case of drip lubrication, oil bath lubrication or forced feed lubrication

In this case, check to ensure that:

1. The lubricating oil is not dirty.

2. The amount of lubricating oil is correct.

3. Lubricating oil is uniformly applied to the chain.

Cautions

Dust contamination must be avoided to maintain wear

resistance. If temperature rises abnormally or the chain

squeakes, the oil may be exhausted. Verify by checking.

5-4 Troubleshooting Guide

Trouble Possible cause Correction

A pin,

bushing or

roller is

fractured.

Note:

“Fracture

patterns of

respective

components

of chain” on

P. 79.

High speed rotation exceeding the

tolerance of chain and sprockets

Lower the speed, or select a chain with a smaller pitch. Otherwise, select

a sprocket with a larger number of teeth. In this case, refer to general

selection details (P.91).

Sudden large shock load

Improper lubrication

Corrosion of chain

Wear of sprocket

Check for foreign objects.

Abnormal noise

Chain is excessively tensioned or

slackened.

Incorrect alignment of sprockets

Large wear elongation of chain or

wear of sprocket

Incorrect installation of chain case


Improper combination of chain and

sprockets

Avoid shock load as much as possible. Install a damper, etc., to damp the shock load.

Periodically supply the correct lubricating oil. Spray type chain oil “DID

Chain Lube” is recommended.

Check the service environment and lubrication condition, and select a proper chain.

Replace it with a new one. Use a sprocket conforming to the correct

standard dimensions.

Immediately remove foreign matter; strictly control the service environment.

Pay constant attention to the chain sag. Correct by adjusting it according

to the procedure stated in “Sag adjustment of roller chain” (P. 74).

Check the alignment between both the larger and smaller sprockets.

Replace a chain that is elongating beyond the tolerance and replace

worn sprockets with new ones.

If the chain contacts the chain case, immediately correct and adjust.

Lubricate properly and periodically. (See “Lubrication types” (P. 76).

When replacing the chain, use the correct chain size and sprocket sizes.

Select a chain suitable for sprocket sizes, and sprockets suitable for the

chain size. (Especially when an HK Type Series Multiplex Chain is

replaced, sufficient care is necessary.)

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78

Trouble Possible cause Correction

When the

chain rides

over a

sprocket.

Wear of plates

and sprockets

on their lateral

sides

Vibration of

chain

(whipping)

Stiff link

Fractured

chain

Note : See

“Fracture

patterns of

respective

components

of chain ” on

P. 79.

Rotation of pin

(see P. 79)

Excessive wear elongation of chain

Chain too slack

Worn sprocket or deposit of foreign

matter on tooth gap bottom

Incorrect alignment of sprockets

Chain too slack

Uneven wear elongation

Occurrence of stiff link

Load in excess of tolerance

Misalignment of sprockets

Corrosion of chain


Interference between plate and

foreign matter

Ingress of foreign matter into a

bendable portion of chain.

Fatigue fracture

Ductile fracture of plates

Fracture of pins by shear of

bending

When the chain rides over a sprocket

Hydrogen embrittlement

Interference with foreign matter

Excessive tension

Riding of chain over sprocket

Corrosion of chain and improper lubrication

Replace an excessively worn chain.

A chain with too much slack causes the chain to ride over a sprocket,

and can damage the tooth heads of a sprocket. Correctly adjust it.

Replace a worn sprocket with a new one. If foreign matter is deposited

on a tooth gap bottom, immediately remove it.

Misalignment of drive and driven sprockets result in abnomal wear of sides of

link plate, thereby shortening chain life.

Apply a straight edge to the lateral sides of sprockets, to check alignment.

Adjust to a proper sag. Consider the installation of spring type idler or

tensioner.

See the following column

Select a DID chain larger in tolerance.

If the alignment between sprockets is incorrect, the force acting on the sprockets on

their lateral sides opens and causes inner plates to interfere with the outer plates,

which causes stiff links. Correctly align the larger and smaller sprockets.

If a chain is left without lubrication for a long time or in a corrosive atmosphere,

rust is generated and smooth motion is inhibited. A corroded chain must be

replaced. Be sure to lubricate periodically.

If a chain is in contact with foreign matter during running, the inner and

outer plates may be opened. Immediately remove the foreign matter.

If sand or mud enters a bendable portion, remove the chain, and wash

and re-lubricate, or replace the chain. Furthermore, install a case, etc. to

prevent the ingress of sand and mud.

If a chain is used for a long time at a load exceeding the maximum

allowable tension, fatigue fracture of plates and bending fatigue fracture

of pins willl occur. If the life before fatigue fracture is shorter than the

expected life, select a chain with a larger maximum allowable tension.

For example, if a DID50 Standard Roller Chain, is used for 750 cc motor-

cycles, it may be fractured in a short time. In this case, rather than the

chain being faulty, the selection was incorrect.

If a load or shock load is greatly larger than the allowable tension acts on a

chain, ductile fracture of plates or fracture of pins by shear or bending

occurs. This fracture occurs when the chain size selected is incorrect

and allowable tension too small. Re-select a proper chain.

The fracture caused when the chain rides over a sprocket is mainly caused

by wear elongation. Select a proper chain, and practice correct lubrication.

Remember that a chain might be broken suddenly by hydrogen

embrittlement if it comes in contact with acids.

If foreign objects should interfere with the running of chain or be caught, the

chain is likely to be over loaded and its life will be shortened or it may break suddenly.

Watch the shop atmosphere carefully, and be sure to remove any

foreign objects without delay.

If excessive tension is a cause, select a chain larger in allowable tension.

See the column “When the chain rides over a sprocket”.

See the third frame of “Stiff link”.

Imperfect and uneven lubrication causes uneven wear and pitch irregularity.

Immediately replace the chain with a new one, and practice perfect and uniform

lubrication.

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79

As shown in the photo, the rotation of

a pin can be identified since the rivet

mark on the pin head shifts from the

correct position. If the chain is

disassembled, galling is found

between a pin and bushing in most

cases. The cause of galling is

incorrect lubrication or excessive

tension. In the case of a machine not

used for a long time, rust may

develop between pins and bushings, causing the pin to

rotate.

Fracture patterns of respective components of chain

When a roller chain is broken during operation due to

improper use, knowing how and what portion is broken

greatly helps to clarify the cause and determine corrective

measures.

Fracture of platesWhen a large tension

acts to fracture a plate,

as shown in (a),

the cut ends are

oblique and plastic

deformation occurs.

However, when the load

is slightly larger than

the maximum allowable

tension, fatigue fracture

occurs, and little plastic

deformation occurs as

shown in (b). A large feature of fatigue fracture is when a

crack occurs in the direction almost perpendicular to the

pitch line (center line between both pins). In the case of

hydrogen embrittlement by an acid, the crack mostly

occurs in the direction as shown in (c), and the cut ends are

flat, while the area around the cut ends may be decolored

due to erosion by the acid.

Fracture of pins

If a pin is fractured by excessive

tension, the fracture occurs

near the link plate, with a

lustrous finished surface

formed by shearing, as shown

in (d). However, when the

acting force is not so strong,

fatigue fracture takes place

after a long period around

the center of the pin as

shown in (e) then supposed to

be flat with small undulations.

Fracture of bushings

A bushing is fractured by a shock,

in a way similar to a roller.

Generally, as shown in the photo, a

vertical crack occurs and stops

near the plates. One crack can also

be superimposed on another, causing

the central portion to come off. In

general, it can be said that a larger crack is caused by a

larger tension.

Fracture of rollers

When a roller fractures during operation, generally vertical

splitting occurs as shown in the photo, and in general, pitch

marks of fatigue grow from the inside of the roller, to cause

splitting. If splitting occurs all at once due to a large

tension, the split faces do not have a polishing mark to

allow the cause to be identified.

If tension is excessive, the rollers are forcefully pressed

against the tooth faces of sprockets, and a roller end may

be cracked and deformed.

Rotation of pins

Elongation of chain

In general, the elongation of chain includes the following

three types;

1. Elastic elongation by chain tension

If a load acts on a chain, the respective components of the

chain are elastically deformed, causing elongation. If the

load is removed, the original length can be restored.

2. Plastic elongation by chain tension

If a load in excess of the elastic limit acts on a chain,

plastic elongation occurs. In this case, even if the load is

removed, the original length cannot be restored. The

performance of a plastically elongated chain may be

diminished. Quickly replace it with a new one.

3. Wear elongation of chain

If a chain is operated, pins and bushings are worn through

by mutual contact. After use for a long time, the wear

appears as an increase of chain length. This is wear

elongation. Wear elongation is an important factor for

deciding the timing of chain replacement. See P. 73.

•

•

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(b)

(c)

(d)

(e)

80

5-5 Timing for Replacement

If the engagement between chain and sprockets becomes

defective or any factor occurs which remarkably promotes a

decline in the strength of the chain, replace the whole chain.

When any of the following conditions occur in the chain you

use, replace the whole chain to maintain safety.

• When a replace chain is worn close to the” Elongation limit of

chain” (P. 79)

• When a flaw or crack occurs in a plate

• When a flaw or crack or defective rotation of a roller is

observed

• When a chain link is stiff

• When a pin has been rotated

• When a pin is bent or otherwise deformed or when a plate

is seriously warped

• When rust buildup prevents smooth bending of the chain

• When diluted sulfuric acid or any other corrosive material is

deposited

* If you cannot judge whether a flaw is “harmful”, please

consult us.

Replacement of sprockets and how to order

The life of sprockets is generally several times the life of a

chain, but if the teeth are worn because of insufficient

lubrication or damaged because of a shock load, etc., the

sprockets must be replaced.

• When placing an order, please specify the following if the

chain No. is known.

1. Chain No. and number of strands

2. Type of sprockets

3. Prepared shaft hole diameter (d) (This is not necessary if

you drill this hole; in this case, drill a hole not exceeding

the maximum shaft hole diameter. )

4. Number of teeth

5. Boss diameter (DH) and length (L) (in the case of other

than standard sprocket)

6. Whether the tooth heads are hardened

• Specify the following items, if the chain No. is unknown

1. Tooth thickness (T)

2. Root diameter (DB) (Caliper diameter (DC) in the case of

odd - numbered teeth)

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81

Roller Chain & Double Pitch Chain for Conveyor Applications

82

1. Outline of DID Small Chain for Conveyor Applications

1-1 Variation of base chain

DID Small Sized Roller Chain for Conveyor Systems are

called base chain, and include single pitch chain and

double pitch chain.

Single pitch chain correspond to Section 2 “General

application chain” in the previous chapter of “Transmission

chain” , and are used with “JIS/ANSI standard sprockets”.

Double pitch chain are standardized as “JIS/ANSI Double

Pitch Chain”, and the design of pins , bushings and rollers

are basically the same as that of “single pitch chain”. The

plates only are made longer to make the pitch double that of

single pitch. The sprockets of double pitch rollers are also

standardized as “JIS/ANSI double pitch chain sprockets”.

Small Sized Roller Chain for Conveyor Systems are based

on the above base chain, and have various top rollers, side

rollers and attachments that customize chain for differentapplications. Classifications of DID Small Sized RollerChain for Conveyor Systems are shown below.

1-2 Ultimate Life Chain Series and

Environment Resistant Chain Series

The “2-3 Ultimate Life Chain Series and “2-4 Environment

Resistant Chain Series” described in the previous chapter,

“Transmission chain”, are also available in Small Sized

Roller Chain for Conveyor Applications. Chain in the Small

Sized Roller Chain for Conveyor Applications Series are listed

on the following page for reference.

With R - Roller

With S - Roller

Bent Attachment

Straight Attachment

Extended Pin

Hollow Pin Chain

Flexible Chain

Flat Type Straight Sidebar Chain

Classification

Ultimate Life Chain SeriesEnvironment Resistant Chain Series

Vari

atio

n of

Bas

ic C

hain

Cla

ssifi

cati

on

by

Fe

atu

re

Double Pitch Chain

Single Pitch Chain

With Standard Attachments

Others for Conveying System Application

For Double Speed Free FlowConveyor Application

Side-Roller Chain

Top- Roller Chain

RO

LLER

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AIN

&D

OU

BLE

PIT

CH

CH

AIN

FOR

CO

NV

EYO

R S

YS

TEM

83

RO

LLER

CH

AIN

&D

OU

BLE

PIT

CH

CH

AIN

FOR

CO

NV

EYO

R S

YS

TEM

RC 2050 K1 2 X 96 incl. 1 CL ATOE

List of small chain for convey or systems (Ultimate Life Series and Enviromnent Resistant Series)

Uitimate Reistant Series

Environment Resistant Series

Standard attachments

S2 chain

Top roller chain

Side roller chain

Hollow pin chain

Flexible chain

Flat Type Roller chain

Note 1 Standard sintered bushing roller chain is available for RC80 and smaller single pitch chain and for RC2080H and RC2082H and smaller double pitch chain.Note 2 Standard O-ring chain are available for RC240 and smaller single pitch chain and for RC2060H and RC2062H and smaller double pitch chain.Note 3 Standard Hi-guard chain are available for RC120 and smaller single pitch chain and RC2120H and RC2122H and smaller double pitch chain.Note 4 For stainless steel chain, see P.55.

1-3 How to order a small chain for conveyor applications

* In case of top roller chain or side roller chain, see the pages for the chain concerned.

Chain LengthDescription for Connecting Link

[Example]

Attachment Type

Fort

une

flow

Siz

e cl

assi

fied

tabl

e

Reg

ular

Sol

id B

ushi

ng

Type of chain (for both single pitch and double pitch)

Standard chain O-ring chain Stintered bushing roller chain

Table of P.126

Table of P.134

“

“

“

“

“

o

o

o

o

o

o

o

o

–

o

o

–

o

o

Roller Chain

... A connecting link is packed separately with the chain

... Endless with a connecting link already installed

A connecting link is attached to one end

... No connecting link is to be included Both Ends Roller Link

Rus

tless

o

–

o

o

o

o

o

Hi-

guar

d

o

–

–

–

–

–

o

Sta

inle

ss

o

–

–

–

–

–

–

Reg

ular

o

–

o

o

–

–

o

Rus

tless

o

–

o

o

–

–

o

Reg

ular

o

–

o

o

–

–

–

Rus

tless

o

–

o

o

–

–

–

Chain Size AttachmentSpacing

Please provide descriptions for special arrangement.

84

2. Double Pitch Chain

In general, Small Sized Roller Chain for Conveyor Applications

are operated for longer distances and at lower speeds than

transmission chain. In this case, even if the plate pitch is double

with the pins, bushings and rollers unchanged, to half the

number of teeth engaged with the sprockets, the wear of pins

bushings and rollers is small since the chain speed is low, while

the number overall is halved. DID Double Pitch Chain, conform

to ANSI and are manufactured in “Ultimate Life Chain Series”

and “Environment Resistant Chain Series,” as are single pitch

chain.Generally, sprockets for double pitch chain utilize single

pitch type sprockets.

Large rollers (R) and small rollers (S)

Since double pitch chain are frequently used to travel on a hori-

zontal floor, conveying products, chain designed for this

purpose are equal in roller diameter to single pitch chain of the

same pitch length for increased live load capacity and lower

traveling resistance. The rollers larger in outer diameter are

called “large rollers”, and the regular rollers are called “small

rollers”. In this catalogue, large rollers are expressed as R

rollers, and small rollers as S rollers.

Designation of Double Pitch Chain

A double pitch chain is designated, as in the following example,

based on the nominal number of the basic single pitch chain.

In the connecting links of double pitch chain of all sizes, the

connecting plate and connecting pins are clearance-fitted. For

RC2060H or smaller, the spring clip type (R connecting link) is

standard. For RC2080H or larger, the cotter type (C connecting

link) is standard. Connecting links with an attachment, top roller

or side roller are available.

Indicates that the thickness of plates is larger by onesize, that is, equal to the thickness of the plates of RC100. If there is no symbol, the thickness is equalto the thickness of the plates of RC80.

[Example of type indications]

082 indicates that the base is RC80, and that rollerswith a large outer diameter (R rollers) are used. In thecase of regular rollers, 080 is stated here.

Indicates that the chain is a double pitch chain.

Indicates that the chain is for conveyor system.

Indicates that the chain is manufactured by Daido Kogyo.

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2-1 Double Pitch Chain and Dimensions

Double Pitch Chain

Double pitch chain with resin rollers

This is a DID double pitch chain with R rollers made of a resin,

which are quieter and lighter than steel rollers. Thus, the chain

is suitable for a conveyor system designed to operate quietly

and convey light-weight articles. Since the components other

than rollers are made of steel, the average tensile strength of

a resin roller chain is the same as that of a steel roller chain.

However, if the engagement pressure with the sprockets risks

damaging the resin rollers, the “maximum allowable load” of the

chain is kept low, as shown in the following table.

The “Allowable load of resin rollers” refers to the allowable load

acting when conveyed articles press the resin rollers traveling

on the floor surface.

Chain No.

lbs

Max. Allowable Load Max. Allowable Load of Plastic Roller Weight

(lbs/FT)

Allowable Operational

TemperatureMaterial of RollerVariation of Chain

Components except Roller

Engineering Plastic

(Polyacetal)

3 Variations are available.

99

154

231

396

44

66

110

198

0.51

0.85

1.46

2.58

– 100C~800C

(140F~1760F)

lbs

Chain No.

DID

Pitch Roller LinkWidth

P W

Roller Dia.D

Pin

d e g T H

Plate Avg. Tensile Strength Max. Allowable Load Approx. Weight

lbs. lbs. lbs.

1.000 0.313 0.312 0.156 0.327 0.398 0.059 0.461 3828 594 0.329

0.625 0.577

1.250 0.375 0.400 0.200 0.402 0.476 0.079 0.594 6446 990 0.563

0.750 0.885

1.500 0.500 0.469 0.235 0.563 0.669 0.126 0.677 9020 1452 0.972

0.875 1.455

2.000 0.625 0.625 0.313 0.713 0.811 0.157 0.917 15400 2530 1.650

1.125 2.367

2.500 0.750 0.750 0.376 0.858 0.961 0.189 1.134 25300 4180 2.414

1.562 3.896

3.000 1.000 0.875 0.437 1.067 1.177 0.220 1.331 35200 5720 3.413

RC2122H 1.750 5.425

4.000 1.250 1.125 0.563 1.339 1.504 0.280 1.866 58300 9460 5.975

2.250 9.120

DID

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RC2122H

0.398

0.476

0.669

0.811

1.177

1.504

0.417

0.500

0.705

0.00

0.00

0.00

RC2122H

2.64

4.41

6.47

11.20

18.60

25.50

594

990

1452

2530

4180

5720

kN lbs kN lbs

0.44

0.68

1.03

0.00

0.00

0.00

99

154

231

0

0

0

2-2 Ultimate Life Chain and Environment Resistant Chain Series of Double Pitch Chain

Double pitch chain are manufactured in Ultimate Life and

Environment Resistance types, as are chain for general applications.

For details of their characteristics, see Chapter I (P. 42-51).


Sealed chain

Sintered bushing roller chain

The width of the chain is larger than a stan-

dard double pitch chain by the seal thick-

ness. (See the following table of maximum

half widths of chain.)

Dimensions are the same as those of a

standard chain, but strength is lower.

Maximum half width of chain

Regular chain (Dimension g) Sealed chain (Dimension f)

Long life chain

Rustless chain

Hi-guard chain

Stainless steel chain

Strength and dimensions are equivalent to

those of a standard double pitch chain.

Dimensions are the same but strength is

lower. (See the following table.)


Maximum allowable load

Regular chain Stainless steel chain

Strength ratio

Comparison of performance of respective types of Ultimate Life Chain

Clean oil Dirty oil

Comparison of wear life

Location where maintenance can be practiced

Regular environment Dusty environment

Operational

temperature range

Location where maintenance cannot

be practiced (initial grease only)

Standard Chain

Long life Chain

DHA Chain

Sealed Chain

Sintered bushing roller chain

100%

100%

100%

100%

70%

1-0

1-3

1.5 ~ 2

–––

–––

1-0

1-2 ~ 1.5

3 ~ 7

–––

–––

1-0

1-5 ~ 3

1.3

5 ~ 12

5

1-0

1-8 ~ 4

1.2 ~ 3

5 ~ 20

Not applicable

140C ~ 1760F

140C ~ 1760F

140C ~ 2120F

140C ~ 1400F

Not applicable

Note: The wear life is expressed as an index with the life of a Standard Roller Chain as 1.0.

Comparison of performance of respective types of Environment Resistant Chain

Corrosion Resistance Performance

Series Mark

Standard

Roller Chain

Rustless

Chain

Hi-Guard

Chain

Low TemperatureChain

Stainless

Steel

Chain

N

E

SS

100%

100%

100%

100%

10%

15%

Max. Horsepow-er Ratings or Slow-Speed Selection

Slow-Speed Selection

Strength

Max. AllowableLoad Ratio

Chain SelectingMethod

Moisture Resistance Performance(without additional lubrication)

Initial LubricantApplied

Rust PreventionOil

Rust PreventionOil

Rust PreventionOil

Special Grease

Grease

Grease

Grease

inferior

inferior

inferior

normal

normal

normal

normal

Stainless Chain is inferior to others in wear resistance performance.Chain tension must be within allow-able range.

Based on CASS test Exposed to wateror sea water

Alkaline ResistancePerformance

Acid ResistancePerformance

Heat ResistancePerformance

inferior

normal

good

very good

excellent

normal

(note)

(note)

not recommended

good

excellent

not recommended

normal

excellent

normal

normal

not recommended

Applicable in light acid

not recommended

not recommended

-10ºC~80ºC

(14ºF~176ºF)

Layer withstands


-40ºC~80ºC

(40ºF~176ºF)

Note: Even rustless chain, RC25N, 35N and 41N should be read from “good” to “normal” and “excellent” to “good” because of the thin plating layer.

Layer withstands


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3. Standard Attachments

For “DID small sized roller chain for conveyor applications”, various links

are available for coupling and attaching custom devices directly to the chain.

These links are called attachments. The following atandard attachments are

available.

Types and names of standard attachments

DID Standard Attachments include five kinds for single pitch chain and five kinds

for double pitch chain as illustrated below. Furthermore, for single pitch chain,

four kinds of wide attachments, as wide as outer plates are available. Standard

attachments for respective chain sizes are listed on the following page

A attachment (Bent attachment on one side)

attachment (Bent attachment on both side)

SA(M35) attachment (Straight attachment on one side)

(M) attachment (Straight attachment on both sides)

Above figure shows D1 (set and extended pin on every two links)

Above figure shows D3 (set an extended pin on every two link)

Ref : D pin having particular length is called“LP attachment” (Abbreviation of Long Pin)

[ ]

Installation of a U slot with

(M1) attachment

Installation of a dog with

(M1) attachmentInstallation of a pins with

attachment

Installation of a bucket with

attachment

Installation of a bucket with

attachment

Installation of a strut with

A1 attachment

Conveyance of long article by two strands of

SA1(M351) attachmentInstallation of a L metal fitting

with D3 attachment

Installation of a dog with

D1 attachment

D1 Attachment (Extended Pin)

Description of Attachment Chain

RC60 with A1 attachment every four pitches

Example of Use of Standard Attachment

(Example)

Roller Chain Chain size Attachment Type Spacing

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D3 Attachment (Extended Pin)

88

O X O X O X O X

O X O X O X O X

X X X X X X

O X O X O X O X

O X O X O X O X

O X O X O X O X

RC O X O X O X O X

RC O X O X O X O X

RC O X O X O X O X X X X X X X X X

O X O X O X O X

O X O X O X O X

X X X X

X X X X X X

RC O O O O O O O O

RC O O O O O O O O

O O O O O O O O

O O O O O O O O

RC O O O O O O O O

RC O O O O O O O O

R O O O O O O O O

O O O O O O O O

O O O O O O O O

O O O O O O O O

O O O O O O O O

O O O O O O O O

RC2122H O O O O O O O O

O O O O O O O O

3-1 Standard Roller Chain Attachments

A chain with K1 attachments specially arranged, as in theabove illustration, is indicated as follows:

“CL” stands for a connecting link;”K1 inner”, an inner link K1 attachment;

“PL”, an outer link; “3LL”, three links from an inner link to an inner link;

“ K1 outer ”, an outer link K1 attachment; and “RL”, an inner link.

A “+” sign means “connect”, and an x sign means “ repeat”

(For one-side attachments such as A attachment and SA attachment, the

position of attachment plates is on side A in the above illustration.)

How to lndicate The Specially Arranged Attachment Chain

O Available in stock

Made-to-Order

X Special

DID Standard Attachment

Normal Type Wide Type

Sin

gle

pit

chD

ouble

pitch

“R”

rolle

r“S

” ro

ller

One-side Bent Both-Sides BentOne-side

Straight Type

Both-sides

Straight TypeExtended Pin One-side Bent Both-Sides Bent

One-side

Straight Type

Both-sides

Straight Type

A1 A2 SA1 SA2 D1 D3 WA1 WA2 1 2 WSA1 WSA2 1 2

CL+ (K1 inner+ PL) X3+3LL+PL + (K1 inner+PL) X

3+3LL + K1 outer+ (RL +K1 outer X2 +5LL

Inner Inner Inner Inner Inner Inner Outer Outer Outer

10 Link

6 Link

1 Link 2 Link 2 Link 2 Link 3 Link 1 Link 2 Link 2 Link 2 Link 3 Link 1 Link 2 Link 2 Link 5 Link

6 Link 4 Link

9 Link 10 Link

Side B

Side A

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O

0.250 0.281 0.421 0.187 0.313 0.461 0.219 0.134 0.236 0.362 0.001 0.001 0.000

0.375 0.375 0.563 0.250 0.375 0.579 0.313 0.134 0.375 0.569 0.002 0.004 0.002

0.500 0.469 0.689 0.281 0.484 0.701 0.375 0.128 0.375 0.618 0.003 0.007 0.002

0.500 0.500 0.709 0.312 0.500 0.693 0.375 0.142 0.375 0.648 0.004 0.009 0.002

0.625 0.625 0.902 0.406 0.625 0.890 0.504 0.205 0.469 0.827 0.007 0.013 0.004

0.750 0.750 1.091 0.469 0.719 1.039 0.634 0.205 0.562 1.020 0.013 0.026 0.007

1.000 1.000 1.386 0.625 0.969 1.341 0.750 0.268 0.750 1.335 0.024 0.048 0.015

1.250 1.250 1.748 0.781 1.250 1.709 1.000 0.343 0.938 1.638 0.053 0.106 0.026

1.500 1.500 2.161 0.906 1.437 2.031 1.125 0.413 1.125 2.000 0.081 0.163 0.044

1.750 1.750 2.437 1.125 1.750 2.437 1.375 0.500 1.312 2.250 0.150 0.299 0.066

2.000 2.000 2.811 1.250 2.000 2.752 1.500 0.563 1.500 2.614 0.200 0.400 0.099

2.500 2.500 3.543 1.688 2.500 3.327 1.874 0.669 1.875 3.283 0.409 0.818 0.233

3-2 Based on Standard Chain (single pitch)

A chain with attachments is installed on a Standard Roller

Chain for a light weight conveyor system. Use this chain

when exceptional highly accurate conveyance is required or

when a compact layout is desired.

Attachment D1 Attachment Attachment

Cotter Type connecting link is applied to RC80 and larger. Above connecting link is Clip type applied to RC60 and smaller.

Unit (inch)

Chain No.

Pitch Roller Link

Width

Roller

(Bush) Dia.Pin Plate Avg. Tensile Strength Max. Allowable Load

Approx. weightwithout

attachmentP W D d F f T H lbs. lbs. (lbs/FT)

Chain No.

Pitch

P

Attachment

C Y S

Attachment

C1 Y1

Common

Dimensions

B

D1, D3

Attachment

I L

Approx. additional weight per attachment (kg)

A, SA D1, D3

A1 Attachment Attachment D3 Attachment

0.250 0.125 0.130 0.091 0.335 0.185 0.028 0.232 902 143 0.087

0.375 0.188 0.200 0.141 0.516 0.287 0.049 0.354 2090 330 0.215

0.500 0.251 0.306 0.141 0.575 0.311 0.047 0.378 2266 374 0.262

0.500 0.313 0.312 0.156 0.693 0.374 0.059 0.472 3740 594 0.422

0.625 0.375 0.400 0.200 0.862 0.457 0.079 0.591 6270 990 0.711

0.750 0.500 0.469 0.235 1.059 0.563 0.094 0.713 9020 1430 0.966

1.000 0.625 0.625 0.313 1.394 0.748 0.126 0.945 17600 2420 1.790

1.250 0.750 0.750 0.376 1.673 0.894 0.157 1.177 26620 3850 2.676

1.500 1.000 0.875 0.437 2.087 1.110 0.189 1.413 37400 5500 3.909

1.750 1.000 1.000 0.500 2.299 1.248 0.220 1.650 48400 7260 5.110

2.000 1.250 1.125 0.563 2.685 1.437 0.252 1.882 60500 9240 6.766

2.500 1.500 1.562 0.781 3.346 1.811 0.315 2.362 105600 15400 11.279

Unit (inch)

DID

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Attachment Attachment D1 Attachment

90

Chain No. Pitch

P

Attachment

C C1 O

Approx. additional weight per attachment (lbs)

Cotter Type connecting link is applied to RC80 and larger. Above connecting link

is Clip type to be applied to RC60 and smaller.

WA1, WA2 Attachment Attachment

Attachment Attachment

S T Y Y1 Bw Pw

0.500 0.500 0.500 0.142 0.311 0.059 0.689 0.689 0.953 0.500 0.007 0.013

0.625 0.626 0.626 0.205 0.406 0.079 0.890 0.890 1.189 0.625 0.015 0.031

0.750 0.750 0.720 0.205 0.469 0.094 1.063 1.031 1.421 0.750 0.026 0.053

1.000 1.000 0.969 0.268 0.626 0.126 1.390 1.343 1.890 1.000 0.057 0.114

1.250 1.250 1.252 0.327 0.780 0.157 1.906 1.870 2.358 1.250 0.112 0.224

Unit (inch)

DID

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1.000 0.313 0.312 0.156 0.327 0.374 0.059 0.461 3828 594 0.329 0.625 0.577 1.250 0.375 0.400 0.200 0.402 0.457 0.079 0.594 6446 990 0.563 0.750 0.885

1.500 0.500 0.469 0.235 0.567 0.669 0.126 0.677 9020 1452 0.972 0.875 1.455 2.000 0.625 0.625 0.313 0.713 0.811 0.157 0.917 15400 2530 1.650 1.125 2.367 2.500 0.750 0.750 0.376 0.858 0.961 0.189 1.134 25300 4180 2.414 1.562 3.896 3.000 1.000 0.875 0.437 1.063 1.177 0.220 1.331 35200 5720 3.413

RC2122H 1.750 5.425

4.000 1.250 1.125 0.563 1.354 1.504 0.280 1.866 58300 9460 5.975 2.250 9.120

Based on Standard Chain (double pitch)

A double pitch chain for a conveyor system is a Standard

Roller Chain doubled in pitch. Since the pins and bushings

are the same as those used in a Standard Roller Chain, the

chain is strong, light weight and economical. A double pitch

conveyor chain is available either as S roller type or R roller

type. By installing attachments suitable for the application, a

compact conveyor layout can be achieved.

Note: 1. Attachments SA1(M351), SK1(M1), A1 and K1 are featured by only one hole given. Attachments SA2(M352), SK2(M1), A2, and K2 are featured by two holes given.

2. Interval of attachments must be specified when you order.

3. Without special instruction, attachments are given to outer link plates in case of even number of pitch between attachments.

Pitch

P

Attachment

Y Y1 O1

Approx. additional weight per attachment (kg)

O2 BC d1 d2 T A, SA OS

Chain No. Pitch

P

Roller Link

Width Roller

Dia.

Pin Plate Avg. Tensile Strength Max. Allowable Load Approx. weightwithout attachment

dD e g T H lbs. lbs. (lbs/FT)

Unit (inch)

Dimensions of Attachment Unit (inch)

A type(Pictured chain is S Roller type)

type(Pictured chain is R Roller type)

type(Pictured chain is S Roller type)

type(Pictured chain is R Roller type)

Clip Type connecting link is applied to RC2060H and smaller. Pictured connecting link is Cotter type applied to RC2060H and larger.

WDID

Chain No.

DID

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1.000 0.359 0.500 0.748 0.780 0.437 0.531 0.375 0.780 0.142 0.205 0.059 0.0066 0.0132 1.250 0.437 0.625 0.949 0.969 0.563 0.625 0.469 0.937 0.205 0.268 0.079 0.0132 0.0264

1.500 0.578 0.844 1.236 1.205 0.687 0.750 0.563 1.134 0.205 0.343 0.126 0.0352 0.0704 2.000 0.750 1.094 1.642 1.630 0.875 1.000 0.750 1.500 0.268 0.406 0.157 0.0748 0.1496 2.500 0.937 1.313 2.055 2.087 1.125 1.250 0.937 1.874 0.343 0.563 0.189 0.1408 0.2816 3.000 1.094 1.563 2.390 2.362 1.313 1.485 1.125 2.252 0.551 0.630 0.220 0.2376 0.4752

RC2122H 4.000 1.437 2.063 3.110 3.094 1.750 2.000 1.500 3.000 0.563 0.866 0.276 0.5412 1.0824

92

3-3 Based on O-ring Chain (single pitch) Chain with attachments in which grease is sealed by seal rings are available

as a series for use in the following cases.

The hole pitch of attachments (the dimension in the following illustration) is

the same as in the case of a Standard Roller Chain, DID standard sprockets

can be used.

Heat resistant seal rings and light friction type seal rings

are also available.

When you desire to use special attachments, please consult us.

Pitch

P

Roller Link

Width

Roller

Dia.Pin Plate Avg. Tensile Strength Max. Allowable Load Approx. weight

without attachment

d F f T H lbs lbs (lbs/FT)

Attachment

C Y S C1 Y1 B O I L A, SA D1, D3


0.500 0.740 0.312 0.500 0.689 0.375 0.138 0.375 0.705 0.0044 0.0088 0.0022

0.625 0.969 0.406 0.625 0.890 0.500 0.205 0.469 0.870 0.0066 0.0132 0.0044

0.750 1.118 0.469 0.719 1.031 0.625 0.205 0.562 1.071 0.0132 0.0264 0.0066

1.000 1.441 0.625 0.969 1.341 0.750 0.268 0.750 1.394 0.0242 0.0484 0.0154

1.250 1.776 0.781 1.250 1.683 1.000 0.343 0.938 1.717 0.0528 0.1056 0.0264


0.500 0.313 0.312 0.156 0.787 0.417 0.059 0.472 4070 836 0.449

0.625 0.375 0.400 0.200 0.941 0.500 0.079 0.591 6754 1540 0.724

0.750 0.500 0.469 0.235 1.181 0.626 0.094 0.713 9614 2090 1.086

1.000 0.625 0.625 0.313 1.531 0.819 0.126 0.945 16280 3300 1.898

1.250 0.750 0.750 0.376 1.819 0.969 0.157 1.177 24200 4730 2.729

Cotter type connecting link is applied to RC80 and larger. Above connecting link is Clip type to be applied to RC60 and smaller.

W D

Unit (inch)

Chain No.

DID

Chain No.

DID

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SA1 ( ) Attachment

1 Attachment

1 (M1) Attachment

A1 Attachment

D1 Attachment

D3 Attachment

93

0.359 0.500 0.811 0.780 0.437 0.531 0.375 0.752 0.138 0.205 0.059 0.0066 0.0132

0.437 0.625 1.004 0.969 0.563 0.625 0.469 0.937 0.205 0.268 0.079 0.0132 0.0264

0.578 0.844 1.366 1.205 0.687 0.750 0.563 1.126 0.205 0.343 0.126 0.0352 0.0704

1.000 0.313 0.312 0.156 0.787 0.417 0.059 0.461 3630 594 0.349

0.625 0.597

1.250 0.375 0.400 0.200 0.941 0.500 0.079 0.594 6160 990 0.583

0.750 0.905

1.500 0.500 0.469 0.235 1.319 0.705 0.126 0.677 8580 1452 0.979

0.875 1.462

Based on O-ring Chain (double pitch)

Standard double pitch conveyor chain and double pitch

conveyor chain with attachments, respectively with grease

sealed by o-rings are available as a series for use in the

following cases.

Heat resistant o-rings and light friction type o-rings are also

available. Please consult us.


Pitch

P

Roller Link

Width

Roller


without attachment

d e g T H lbs lbs (lbs/FT)

Attachment

Y Y1 O1 O2 C B d1 d2 T A, SA


OS

A1, A2 Attachment Attachment

Above connecting link is Clip type.

Attachment Attach-ment

W D

Unit (inch)

Chain No.

DID

Chain No.

DIDR

OLL

ER C

HA

IN &

DO

UB

LE P

ITC

H C

HA

INFO

R C

ON

VEY

OR

SY

STE

M

94

Based on UR Chain (single pitch) UR chain using sintered bushings can be expected to have a

longer service life than Standard Roller Chain in lubrication-free

operation. The amount of oil deposited in the sintered bushing

is appropriate for contamination sensitive applications. They

are interchangeable with Standard Roller Chain, and standard

sprockets can be used.

Rustless type, delivering excellent corrosion resistance with

nickel plated parts is also available (URN).


Pitch Roller Link

Width W

Roller Dia.


Chain No. Attachment

S C1 Y1 B O I L A, SA D1, D3


YCStandard Type Rustless Type

fFdDPStandard Type Rustless Type HT lbs lbs (lbs/FT)

Note: Chains marked C before the chain No. are for conveying system application.

Thickness of inner link plate is equal to outer link plate.

(Inner link plate of sintered bush chain for transmission is thicker than outer link plate.)

A1 Attachment

SA1 ( ) Attachment

1 Attachment

1 (M1)Attachment

D3 Attachment

Cotter type connecting link is applied to RC80 and larger. Above connecting link is Clip type to be applied to RC60 and smaller.

0.500 0.693 0.312 0.500 0.689 0.375 0.138 0.375 0.661 0.0044 0.0088 0.0022

0.625 0.906 0.406 0.625 0.890 0.500 0.205 0.469 0.827 0.0066 0.0132 0.0044

0.750 1.063 0.469 0.719 1.031 0.625 0.205 0.562 1.012 0.0132 0.0264 0.0066

1.000 1.374 0.625 0.969 1.341 0.750 0.268 0.750 1.335 0.0242 0.0484 0.0154

0.500 0.313 0.312 0.156 0.693 0.374 0.059 0.472 3520 594 0.422

0.625 0.375 0.400 0.200 0.862 0.457 0.079 0.591 5720 968 0.711

0.750 0.500 0.469 0.235 1.067 0.563 0.094 0.713 8360 1408 0.966

1.000 0.625 0.625 0.313 1.394 0.748 0.126 0.945 14300 2398 1.790

Unit (inch)

DID

DID

Chain No.

D1 Attachment

RO

LLER

CH

AIN

&D

OU

BLE

PIT

CH

CH

AIN

FOR

CO

NV

EYO

R S

YS

TEM

95

RO

LLER

CH

AIN

&

DO

UB

LE P

ITC

H C

HA

IN

FO

R C

ON

VEY

OR

SY

STEM

RC2040UR RC2040URN 0.359 0.500 0.764 0.780 0.437 0.531 0.375 0.752 0.138 0.205 0.059 0.0066 0.0132

RC2042UR RC2042URN

RC2050UR RC2050URN 0.437 0.625 0.961 0.969 0.563 0.625 0.469 0.937 0.205 0.268 0.079 0.0132 0.0264

RC2052UR RC2052URN

RC2060HUR RC2060HURN 0.578 0.844 1.311 1.205 0.687 0.750 0.563 1.126 0.205 0.343 0.126 0.0352 0.0704

RC2062HUR RC2062HURN

RC2080HUR RC2080HURN 0.750 1.094 1.606 1.594 0.875 1.000 0.750 1.500 0.268 0.406 0.157 0.0748 0.1496

RC2082HUR RC2082HURN

Based on UR Chain (double pitch)


Chain No. Pitch Roller LinkWidth

RollerDia.


Chain No. Attachment

Y Y1 O1 O2 C B d1 A, SA K, SK


OSStandard Type Rustless Type

fPStandard Type Rustless Type gG lbs lbs

d2 T

RC2040UR RC2040URN 1.000 0.313 0.312 0.156 0.693 0.374 0.059 0.461 3520 594 0.329

RC2042UR RC2042URN 0.625 0.577

RC2050UR RC2050URN 1.250 0.375 0.400 0.200 0.862 0.457 0.079 0.594 5720 968 0.563

RC2052UR RC2052URN 0.750 0.885

RC2060HUR RC2060HURN 1.500 0.500 0.469 0.235 1.185 0.669 0.126 0.677 8360 1408 0.972

RC2062HUR RC2062HURN 0.875 1.455

RC2080HUR RC2080HURN 2.000 0.625 0.625 0.313 1.524 0.811 0.157 0.917 14300 2398 1.650

RC2082HUR RC2082HURN 1.125 2.367

Clip type connecting link is applied to RC2060H and smaller. Above connecting link is Cotter type to be applied to RC2080H and larger.

Unit (inch)

D T H (lbs/FT)

Cotter type connecting link is applied to RC2080H. Above connecting link is Clip type to be applied to RC2060H and smaller.

W

DID

DID

96

RO

LLER

CH

AIN

&

DO

UB

LE P

ITC

H C

HA

IN

FO

R C

ON

VEY

OR

SY

STEM

3-5 Based on Stainless Steel Chain (single pitch)

Stainless steel chain is in our environment resistant chain

series, and is suitable for machines and apparatus to be

prevented from oils and rust in the industries of food,

chemicals and so on.

Also, it has a very good heat resistance perfomance and

can work well in the furnace and oven at high temperature.

You can select from two different types of stainless steel, SSR and SR type.

SSR type use SS300 (18-8 stainless steel) in all components, and SR type uses precipitation hardened stainless

steel in round parts.

Please select the proper stainless steel chain, based upon its maximum allowable load.

* RC25SSR 0.250 ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________

* RC35SSR, 35SR 0.375 0.374 0.563 0.252 0.374 0.579 0.311 0.110 0.375 0.575 0.002 0.004 0.002

RC40SSR, 40SR 0.500 0.500 0.709 0.311 0.500 0.693 0.378 0.142 0.375 0.648 0.004 0.009 0.002

RC50SSR, 50SR 0.625 0.626 0.902 0.406 0.626 0.890 0.504 0.205 0.469 0.825 0.007 0.013 0.004

RC60SSR, 60SR 0.750 0.748 1.091 0.469 0.720 1.039 0.634 0.205 0.562 1.020 0.013 0.026 0.007

RC80SSR, 80SR 1.000 1.000 1.386 0.626 0.969 1.343 0.748 0.268 0.750 1.335 0.024 0.048 0.015

RC100SSR, 100 SR 1.250 1.252 1.748 0.780 1.248 1.709 1.000 0.343 0.938 1.638 0.053 0.106 0.026

Cotter type connecting link is applied to RC80 and larger. Above connecting link is Clip type applied to RC60 and smaller.

A1 Attachment K1 Attachment D3 Attachment

SA1(M351) Attachment SK1(M1) Attachment

Chain No. Pitch Roller Link

Width Roller

Dia.

Pin PlateMax. Allowable

Load (SS)

Max. Allowable

Load (SSK)Approx. weight

without attachment

P DW d FE G gf T hH lbs. (lbs/FT)lbs.

Pitch

P

A1, K1

AttachmentSA1, SK1

Attachment

Common

DimensionsD1, D3

AttachmentApprox. additional weight per attachment (kg)


Note: Those marked with * indicate bush chain

C SY C1 BY O I L A, SA K, SK D1, D3

* RC25SSR 0.250 0.122 0.130 0.091 0.299 0.335 ________ 0.185 ________ 0.030 0.236 0.205 29 -- 0.087

* RC35SSR, 35SR 0.375 0.184 0.200 0.141 0.465 0.508 ________ 0.276 ________ 0.050 0.354 0.307 59 88 0.228

RC40SSR, 40SR 0.500 0.309 0.313 0.156 0.642 0.689 ________ 0.368 ________ 0.059 0.472 0.409 99 154 0.429

RC50SSR, 50SR 0.625 0.370 0.400 0.200 0.807 0.850 ________ 0.447 ________ 0.079 0.591 0.512 154 231 0.711

RC60SSR, 60SR 0.750 0.495 0.469 0.234 1.018 1.063 ________ 0.555 ________ 0.094 0.713 0.614 231 352 1.046

RC80SSR, 80SR 1.000 0.620 0.625 0.312 1.280 ________ 1.366 ________ 0.726 0.126 0.949 0.819 396 594 1.757

RC100SSR, 100 SR 1.250 0.744 0.750 0.375 1.587 ________ 1.667 ________ 0.874 0.157 1.185 1.024 572 858 2.769

Note: Those marked with * indicate bush chain

Unit (inch)

DID

Chain No.

DID

D1 Attachment

97

RO

LLER

CH

AIN

&

DO

UB

LE P

ITC

H C

HA

IN

FO

R C

ON

VEY

OR

SY

STEM

RC2040SSR RC2040SR 0.313 0.329RC2042SSR RC2042SR 0.625 0.563RC2050SSR RC2050SR 0.400 0.543RC2052SSR RC2052SR 0.750 0.858RC2060HSSR RC2060HSR 0.469 0.959RC2062HSSR RC2062HSR 0.875 1.435RC2080HSSR RC2080HSR 0.625 1.650RC2082HSSR RC2082HSR 1.125 2.354

Based on Stainless Steel Chain (double pitch)

Note: 1. Attachments SA1, SK1, A1 and K1 are featured by only one hole given. Attachments SA2, SK2, A2,and K2 are featured by two holes given.

2. Interval of attachments must be specified when you order.

3. Without special instruction, attachments are given to outer link plates in case of even number of pitch between attachments.

Chain No.

DID

Pitch Roller Link

Width

W

Roller


without attachment

P D ed g HT lbs. lbs. (lbs./FT)

RC2040SSR RC2040SR

RC2042SSR RC2042SR

RC2050SSR RC2050SR

RC2052SSR RC2052SR

RC2060HSSR RC2060HSR




Chain No.

DID

Pitch

P

Attachment Approx. additional weight per attachment (lbs)

S YO Y1 O2O1 C B d1 A, SA K, SKd2 B


Clip type connecting link to be applied to RC2060H and smaller. Above connecting link is Cotter type applied to RC2080H and larger.

Ktype(Pictured chain is R Roller type)

Atype(Pictured chain is S Roller type)

SA (M35) type(Pictured chain is S Roller type)

SK (M) type(Pictured chain is R Roller type)

Unit (inch)

1.000 0.358 0.500 0.748 0.780 0.437 0.531 0.375 0.760 0.142 0.205 0.059 0.0066 0.013

1.250 0.437 0.625 0.949 0.969 0.563 0.626 0.469 0.945 0.205 0.268 0.079 0.0132 0.0264

1.500 0.579 0.844 1.236 1.205 0.689 0.752 0.563 1.134 0.205 0.343 0.126 0.0374 0.0748

2.000 0.752 1.094 1.642 1.630 0.874 1.000 0.750 1.500 0.268 0.406 0.157 0.0814 0.1628

154

231

462

737

0.156 0.313 0.374 0.059 0.461 991.000 0.313

1.250 0.370 0.200 0.388 0.463 0.079 0.587 154

1.500 0.495 0.234 0.577 0.663 0.126 0.669 308

2.000 0.620 0.312 0.705 0.791 0.157 0.925 495

98

RO

LLER

CH

AIN

&

DO

UB

LE P

ITC

H C

HA

IN

FO

R C

ON

VEY

OR

SY

STEM

inner S ✼3 inner/outer O outer/inner –– O✼1 –– O✼1 O O O inner S inner/outer –– outer/inner –– O –– –– O O O inner S inner/outer –– outer/inner –– O –– –– O O O

inner S inner/outer –– outer/inner –– –– –– –– –– O O inner S inner/outer –– outer/inner –– –– –– –– –– O O –– –– –– –– –– –– –– –– –– –– –– O

4. DID Chain for Free Flow ConveyorsMany conveyors allowing the flow of conveyed articles to be

blocked by inserting a stopper and flow freely by retracting

the stopper are used in assemby lines of electric products

and household appliances. DID chain for free flow

conveyors are originally designed for free flow, and allow

conveyed articles to start flowing freely with a minimum of

blocking resistance.

DID chain for free flow conveyors can be classified into the following three major types.

Top roller chain

The chain has a third roller (top roller) above each link, and

conveyed articles are placed on the rollers. It is an equal

speed free flow Chain for a conveyor system in which the top

rollers rotate idly when the conveyed articles are stopped.

Side roller chain

The pins of the chain are extended, and third rollers

(outboard rollers) are installed with the pins as shafts. If the

side rollers run on a floor, the chain becomes a double speed

free flow chain for conveyor system, and if the chain rollers

run on a rail, the chain becomes an equal speed free flow

chain for conveyor system. Chain is available for single pitch

and double pitch, and chain with a brake is also

available. The chain is listed below.

Note: ✼1. Marked are lined up as standard.

✼2. Inner and outer specifies the link plate on which attachment is fixed.

For the chain marked inner/outer, top roller to be affixed on inner link plates when no instruction is given.

For the chain marked outer/inner, top roller to be affixed on outer link plated when no instructiion is given.

✼3. Diameter of top roller of those marked S is smaller than normal in the same size.

Diameter of top roller of those marked L is larger than normal in the same size.

4-1 List of Chain for Free Flow Conveyors

DID Top Roller and Side Roller Chain

RC35RC40RC50RC60RC80RC100RC120RC2040RC2050RC2060HRC2080HRC2100HRC2042RC2052RC2062H

RC2082HRC2102H

(2P-TR)

every

2 p

itches

(2P-TR)

eve

ry s

ingle

pitc

hes

(TG)

with G

uid

e P

late

with B

rake

2P-TRInner

every

2 p

itches

(1P-TR)

with G

uid

e P

late

(SG)

with G

uid

e P

late

with B

rake

(HP)

Hollo

w P

in C

hain

(FX)F

lexib

le C

hain

(F)

Str

aig

ht

Lin

k P

late

Rolle

r C

hain

–– –– –– –– –– –– –– –– –– –– –– O

Single Strand

Top Roller Chain

outer/inner O inner –– outer/inner O O –– –– O –– –– outer/inner O inner –– outer/inner O O –– –– O –– –– outer/inner O inner –– outer/inner O O –– –– O –– –– outer/inner O inner –– outer/inner O O –– –– O –– –– outer/inner O inner –– outer/inner O O –– –– –– –– ––

outer/inner O inner –– outer/inner O –– L ✼3 –– O –– –– outer/inner O inner –– outer/inner O –– L –– O –– –– outer/inner O inner –– outer/inner O –– L –– O –– ––

outer/inner O inner –– outer/inner O –– L –– O –– –– outer/inner O inner –– outer/inner O –– L –– –– –– ––

O

O

Side Roller Chain

Double Strand

( )

OOOO

✼2

OOOOO

OO

99

RO

LLER

CH

AIN

&

DO

UB

LE P

ITC

H C

HA

IN

FO

R C

ON

VEY

OR

SY

STEM

RO

LL

ER C

HA

IN &

DO

UB

LE P

ITC

H C

HA

IN

FO

R C

ON

VE

YO

R S

YS

TE

M

4-2 Top Roller Chain

With conveyed articles directly placed on top rollers, the

chain is continuously driven, and a stopper provided on the

conveyor keeps the conveyed articles stored or temporarily

stopped.

4-2-1 Single pitch Top roller chain

n

[Example of Description: RC50TR-DU1)]

RC 50-TR DU-1Roller Chain

Top Roller

Spacing

Plastic Rollers

(blank: steel rollers)

(The diameter of top rollers is smaller than that of every-other-link top roller)

[Example of Description: RC50TR2]

RC 50-TR 2Chain Size

Spacing

Top Rollers Steel Rollers

(DU: plastic rollers)

(Inner link top rollers are the standard for every-other-pitch top roller chain)

Note: 1. Approx.weight is of the chain with every 2 pitch Top Roller.

2. The material of plastic top roller is polyacetal.

Dimensions of Chain Portion

Dimensions of Top Roller Portion

Cotter type connecting link is applied to RC80 and larger.

Above connecting link is Clip type to be applied to RC60 and smaller.

▲ ▲ ▲

▲ ▲ ▲

Unit (inch)

Unit (inch)

Pitch Roller Link

Width

Roller

Dia.

Pin Plate

P DW d fF lbs.

Avg. Tensile Strength Max. Allowable Load

lbs.HT

Every 2 Pitch Top Roller

R C Y B d2 I

Approx. Weight (lbs/FT)

Steel

Top Roller

Plastic

Top Roller


R C Y B d2 L1 L2 L3

Approx. Weight (lbs./FT)

Steel

Top Roller

Plastic

Top Roller

RC40-2P-TR 0.625 0.500 0.687 0.374 0.156 0.520 0.811 0.570 0.433 0.500 0.687 0.374 0.156 0.398 0.327 0.520 1.274 0.697

RC50-2P-TR 0.750 0.638 0.888 0.500 0.206 0.638 1.247 0.945 0.591 0.638 0.888 0.500 0.206 0.472 0.402 0.638 1.670 1.187

RC60-2P-TR 0.875 0.720 1.033 0.626 0.235 0.803 1.891 1.388 0.709 0.720 1.033 0.626 0.235 0.594 0.500 0.803 2.555 1.743

RC80-2P-TR 1.125 0.969 1.344 0.752 0.313 1.012 3.212 2.427 0.945 0.969 1.344 0.752 0.313 0.748 0.646 1.012 4.439 3.138

RC100-2P-TR 1.563 1.252 1.752 1.000 0.376 1.220 5.116 3.641 1.181 1.252 1.752 1.000 0.376 0.898 0.795 1.220 6.545 4.573

RC40-TR 0.500 0.313 0.312 0.156 0.693 0.374 0.059 0.472 4180 594

RC50-TR 0.625 0.375 0.400 0.200 0.862 0.457 0.079 0.591 6380 990

RC60-TR 0.750 0.500 0.469 0.235 1.059 0.563 0.094 0.713 9900 1430

RC80-TR 1.000 0.625 0.625 0.313 1.394 0.748 0.126 0.945 17600 2420

RC100-TR 1.250 0.750 0.750 0.376 1.673 0.898 0.157 1.177 26620 3850

▲

▲

Chain Size

▲

Roller Chain▲

Chain No.

DID

Chain No.

DID

100

RO

LLER

CH

AIN

&

DO

UB

LE P

ITC

H C

HA

IN

FO

R C

ON

VEY

OR

SY

STEM

RC 40-2-TR outer DU 2

[Example of Description:

RC40-2TRDU2 (Top Roller

Roller Chain

Chain Size

Spacing

Indication

of outer link top rollerTop Rollers

1. Standard inner link top roller type uses two separate

rollers as illustrated. However, one-piece roller is also available.

2. A chain with top rollers attached to all the links is available. In this

type, the dimension R is different. See every-link top roller chain

section.

3. The connecting link for RC80-2 ~ RC100-2 are cotter type.

Dimensions of pins are as shown in the table below.


Dimensions of Top Roller Portion Unit (inch)

Unit (inch)

▲ ▲ ▲ ▲

Outer Link Top Roller Type

Cotter type connectig link is applied to RC80 and over.

Above connecting link is Clip type to be applied to RC60 and under.

Inner Link Top Roller Type




Width Roller

Dia.

Pin Plate

P DW

Transverse

Pitch

E d F f T H h

Chain No.

R YC B L1d2 L2 L3

RC40-2-2PTR-F 0.625 0.500 0.687 0.374 0.156 0.673 0.610 0.520

RC50-2-2PTR-F 0.750 0.638 0.888 0.500 0.206 0.827 0.760 0.638

RC60-2-2PTR-F 0.875 0.720 1.033 0.626 0.235 1.047 0.953 0.803

RC80-2-2PTR-F 1.125 0.969 1.344 0.752 0.313 1.323 1.224 1.012

RC100-2-2PTR-F 1.563 1.252 1.752 1.000 0.376 1.598 1.500 1.220

RC40-2-2PTR-F 0.500 0.313 0.312 0.567 0.156 1.264 0.374 0.059 0.472 0.409

RC50-2-2PTR-F 0.625 0.375 0.400 0.713 0.200 1.579 0.457 0.079 0.591 0.512

RC60-2-2PTR-F 0.750 0.500 0.469 0.898 0.235 1.961 0.563 0.094 0.713 0.614

RC80-2-2PTR-F 1.000 0.625 0.625 1.154 0.313 2.547 0.748 0.126 0.945 0.819

RC100-2-2PTR-F 1.250 0.750 0.750 1.409 0.376 3.098 0.898 0.157 1.177 1.024

▲▲

Plastic Rollers

(blank: steel rollers)

DID

DID

101

RO

LLER

CH

AIN

&

DO

UB

LE P

ITC

H C

HA

IN

FO

R C

ON

VEY

OR

SY

STEM

RC2040-TR 1.000 0.313 0.312 0.156 0.693 0.374 0.059 0.461 0.567 3828 594 7656 1012

RC2042-TR 0.625

RC2050-TR 1.250 0.375 0.400 0.200 0.862 0.457 0.079 0.594 0.713 6446 990 12892 1672

RC2052-TR 0.750

RC2060H-TR 1.500 0.500 0.469 0.235 1.232 0.669 0.126 0.677 1.031 9020 1452 18040 2464

RC2062H-TR 0.875

RC2080H-TR 2.000 0.625 0.625 0.313 1.524 0.815 0.157 0.917 1.283 15400 2530 30800 4290

RC2082H-TR 1.125

RC2100H-TR 2.500 0.750 0.750 0.376 1.823 0.965 0.189 1.134 1.539 25300 4180 50600 7106

RC2102H-TR 1.563

RC2040-TR 0.625 0.591 0.827 0.333 0.398 0.206 0.878 0.597 0.625 0.591 0.827 0.206 0.673 0.610 1.091 1.663 1.100

RC2042-TR 1.127 0.845 2.092 1.569

RC2050-TR 0.750 0.748 1.043 0.413 0.508 0.235 1.368 0.966 0.750 0.748 1.043 0.235 0.866 0.772 1.354 2.595 1.831

RC2052-TR 1.690 1.287 3.205 2.441

RC2060H-TR 0.875 0.906 1.244 0.581 0.699 0.313 2.427 1.817 0.875 0.906 1.244 0.313 1.201 1.098 1.929 4.607 3.447

RC2062H-TR 2.910 2.307 5.525 4.379

RC2080H-TR 1.125 1.142 1.594 0.715 0.837 0.376 3.742 2.830 1.125 1.142 1.594 0.376 1.472 1.358 2.382 7.108 5.371

RC2082H-TR 4.486 3.574 8.523 6.786

RC2100H-TR 1.563 1.394 1.957 0.870 1.071 0.563 6.048 4.305 1.563 1.394 1.957 0.563 1.819 1.642 2.874 11.487 8.174

RC2102H-TR 7.564 5.820 14.370 11.058

4-2-2 Double Pitch Top Roller Chain

[Example of Description]

RC 2050-TR- 1

[Example of Type Indication]

RC 2060H-2- TR 1

1. The connecting links for RC2080H-2 ~ RC2100H -2 are

cotter types. The dimensions of pins are as shown in the table

below.

2. For RC2060H-2 or larger, dimension E, transverse pitch,

is different from that of the corresponding DID standard

sprocket.

3. When a top roller is required for every even-numbered link,

the top rollers will be attached to inner links unless otherwise

specified.


Dimensions of Top Roller Portion Unit (inch)

Unit (inch)

Cotter type connecting link is applied to RC2080H and larger.

Above connecting link is Clip type to be applied to RC2060H and smaller.

Chain No.Every 2 Pitch Top Roller

R C Y B d2 I


Steel

Top Roller

Plastic

Top Roller


R C Y B d2 L1 L2

Approx. Weight (lbs./FT)

Steel

Top Roller

Plastic

Top Roller

Dimensions Dimensions


Width

Roller

Dia.

Pin Plate

P DW d ge


HT

Strength, Single Strand


Strength, Single StrandTransverse

Pitch, Double

E lbs. lbs. lbs. lbs.

Roller

Chain

Top Roller

Steel

(DU: plastic rollers) Spacing

▲ ▲▲ ▲▲

Chain Size

Roller

Chain

Top Roller

Steel

(DU: plastic rollers)Spacing

▲

Chain Size

▲▲▲ ▲

DID

DID

102

RO

LLER

CH

AIN

&

DO

UB

LE P

ITC

H C

HA

IN

FO

R C

ON

VEY

OR

SY

STEM

RO

LL

ER C

HA

IN &

DO

UB

LE P

ITC

H C

HA

IN

FO

R C

ON

VE

YO

R S

YS

TE

M

4-2-3 Overturn Prevention Type Chain

Chain with overturn prevention links installed to prevent overturning of conveyed articles is also available.

[Example of Description]

1. A single pitch every-link top roller chain with overturn prevention

links is not available. SK1 (M1) attachments can be used as TG

for overturn prevention.

2. Overturn prevention links for double pitch chain are inner link TG.

Guide

Unit (inch) Unit (inch)





Chain No. Pitch Dimensions

P N Y1 T W

Pitch Dimensions

P B Y1 C1 T W1 W2 O

RC2040-TG 1.000 0.752 0.500 0.059 0.313

RC2050-TG 1.250 0.937 0.626 0.079 0.375

RC2060H-TG 1.500 1.126 0.752 0.126 0.500

RC2080H-TG 2.000 1.500 1.000 0.157 0.625

RC2100H-TG 2.500 1.874 1.252 0.189 0.750

RC40-TG 0.500 0.374 0.689 0.500 0.059 0.313 0.442 0.138

RC50-TG 0.625 0.500 0.890 0.625 0.079 0.375 0.547 0.205

RC60-TG 0.750 0.626 1.031 0.719 0.094 0.500 0.701 0.205

RC80-TG 1.000 0.752 1.341 0.969 0.126 0.625 0.892 0.268

RC100-TG 1.250 1.000 1.683 1.250 0.157 0.750 1.083 0.343

Roller

Chain

Top Roller

Steel

(DU: plastic rollers)

T-Shaped Guide

(overturn prevention link)

▲

Chain Size

RC 50 TR 2 (TG 6 inner)▲ ▲ ▲

Spacing for TG

Inner LinkTG

▲▲▲

Cotter type connecting link is applied to RC2080H and larger.

Above connecting link is Clip type to be applied to RC2060H and smaller.

DID

Chain No.

DID

103

RO

LLER

CH

AIN

&

DO

UB

LE P

ITC

H C

HA

IN

FO

R C

ON

VEY

OR

SY

STEM


4-3 Side Roller Chain

A side roller chain receives the loads of conveyed articles by

side rollers, and is used for a free flow conveyor running on a

rail. Since the number of rollers for receiving the loads of

conveyed articles is large, a side roller chain can convey

heavier articles than a top roller chain made of the same

material. Furthermore, since the center of gravity of the

chain is low, stability is also good. All the connecting links of

side roller chain are cotter types as illustrated.

4-3-2 Double pitch side roller chain

RC 2050-SR-2 DU T

Chain Size

Side Roller

Spacing

Installation Method

Plastic Roller

*Blank: steel rollers

*DUAS: plastic anti-static rollers

4-3-3 Meandering prevention type chainAn R roller type double pitch chain with side rollers has a

construction in which higher inner plates are used to keep

the rail between them, prevent derailing of the R rollers.

Furthermore, side rollers are also larger, enabling them to

withstand a higher live load.

[Example of type expression]

RC 2052-SG-2 DU T

Note: The material of plastic side roller is polyacetal.

[Example of type expression]

S roller chain

Note: 1. L3 indicates the value of L1 when cotter type pin is applied.

2 .The material of plastic side roller is polyacetal.

Note: The material of plastic side roller is polyacetal.

4-3-1 Single pitch side roller chain

▲ ▲ ▲ ▲▲

Pitch Roller Link

Width

Roller

Dia.

Plate Pin

P DW T dH


L2L1


lbs.lbs.

Side Roller

VRL3

Pitch Roller LinkWidth

Roller

Dia.

Plate Pin

P DW T dH


L2L1 lbs.lbs.

Side Roller

VRL3

Steel

Side Roller

Plastic

Side Roller

Steel

Side Roller

Plastic

Side Roller

Pitch Roller Link

Width

Roller

Dia.

P DW

Plate

H d

Pin

d L1 L2

Side Roller

R V N Y


Steel

Side Roller

Plastic

Side Roller

RC40-SR 0.500 0.313 0.312 0.059 0.472 0.156 0.697 0.398 0.768 0.625 0.307 3740 594 1.113 0.624

RC50-SR 0.625 0.375 0.400 0.079 0.591 0.200 0.854 0.472 0.925 0.750 0.370 6270 990 1.636 0.966

RC60-SR 0.750 0.500 0.469 0.094 0.713 0.235 1.094 0.594 1.260 0.875 0.496 9020 1430 2.401 1.381

RC80-SR 1.000 0.625 0.625 0.126 0.945 0.313 1.382 0.815 1.484 1.125 0.622 17600 2420 3.976 2.401

RC100-SR 1.250 0.750 0.750 0.157 1.177 0.376 1.748 0.898 1.850 1.563 0.748 26620 3850 6.706 3.728

RC2040-SR 1.000 0.313 0.312 0.059 0.461 0.156 0.697 0.398 0.768 0.625 0.307 3828 594 0.671 0.429

RC2050-SR 1.250 0.375 0.400 0.079 0.594 0.200 0.854 0.472 0.925 0.750 0.370 6446 990 1.026 0.691

RC2060H-SR 1.500 0.500 0.469 0.126 0.677 0.235 1.157 0.669 1.260 0.875 0.496 9020 1452 1.750 1.167

RC2080H-SR 2.000 0.625 0.625 0.157 0.917 0.313 1.445 0.815 1.563 1.125 0.622 15400 2530 2.890 2.132

RC2100H-SR 2.500 0.750 0.750 0.189 1.134 0.376 1.740 0.965 1.862 1.563 0.748 25300 4180 4.734 3.239

RC2042-SG 1.000 0.313 0.625 0.059 0.461 0.156 0.697 0.398 0.906 0.512 0.650 0.748 1.140 0.697

RC2052-SG 1.250 0.375 0.750 0.079 0.594 0.200 0.854 0.472 1.063 0.512 0.787 0.945 1.502 1.019

RC2062H-SG 1.500 0.500 0.875 0.126 0.677 0.235 1.157 0.669 1.181 0.512 1.000 1.063 2.106 1.603

Unit (inch)

Roller Chain

▲

T: staggered

H: parallel type

Chain Size

Meandering Prevention

Spacing

Installation Method

Plastic Roller

*Blank: steel rollers

*DUAS: plastic anti-static rollers

▲ ▲ ▲ ▲▲

Roller Chain

▲

T: staggered

H: parallel type

Chain No.

DID

Chain No.

DID

Chain No.

DID

104

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R S

YS

TE

M

4-4 If the coefficient of rotating friction of carrier rollers is too

small, an unintended slight resistance causes conveyed

articles to be retained.

To prevent unstable retention, several brakes of carrier

rollers are installed to increase the coefficient of rotating

friction in a free flow chain with brakes.

The above illustrations show cases where brakes are installed

for top rollers and side rollers of RC40.Top rollers and side

rollers can be arranged as requested.

4-4-1

4-4-2

with brake every 5 pictures

Coil Springwith brake every 6 Pitch

Detail of Fig. A

Coil Spring

0.312 0.059

0.313

0.059

0.156

0.156

0.693

0.374

0.374

0.472

0.687 0.500

0.500 0.5000.500

0.625

0.625

0.500 0.500

0.398

0.697

0.156

0.059

0.313

0.059

0.312

0.307

2P 5P

105

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RC40HP 0.500 0.313 0.312 0.221 0.157 0.630 0.689 0.374 0.059 0.472 2420 396 0.349

RC50HP 0.625 0.375 0.400 0.283 0.202 0.795 0.854 0.457 0.079 0.591 4400 704 0.577

RC60HP 0.750 0.500 0.469 0.333 0.236 0.988 1.055 0.563 0.094 0.713 5940 968 0.805

5. Other Chains for Conveyor Systems

5-1 Hollow pin chain

This chain is connected by hollow pins, and the hollow holes

can be used to install various attachments.

In a hollow pin chain, the hollow pins are the same as the

bushings of the corresponding standard chain in diameter,

and it can be said that a hollow pin chain is a bushing chain

in which pins with the same diameter as that of the rollers of

the corresponding standard chain are used as bushings.

Standard sprockets can be used.

The connecting links are special snap ring types for hollow

pin chain as illustrated below.

Since no offset link is available, determine the length of a

chain by an even number of links.

“S” roller Type “R” roller Type

Unit (inch)

Unit (inch)

RC2040HP 1.000 0.313 0.312 0.221 0.157 0.630 0.689 0.374 0.059 0.461 2420 396 0.295

RC2042HP 0.625 0.543

RC2050HP 1.250 0.375 0.400 0.283 0.202 0.795 0.854 0.457 0.079 0.594 4400 704 0.503

RC2052HP 0.750 0.811

RC2060HP 1.500 0.500 0.469 0.333 0.236 0.988 1.055 0.563 0.094 0.677 5940 946 0.885

RC2062HP 0.875 1.871

RC2080HP 2.000 0.625 0.625 0.445 0.316 1.280 1.343 0.701 0.126 0.917 10780 1716 1.153

RC2082HP 1.125 1.790

Pitch Roller Link

Width

Roller

Dia.

P W

Plate

d1 d2

Pin

E F f

Avg. Tensile Max. Allowable

lbslbsT H

Chain No.

Pitch Roller Link

Width

Roller

Dia.

P W

Plate

d1 d2

Pin

E F f

Approx.

Weight Avg. Tensile Max. Allowable

lbslbsT H (lbs/FT)

Approx.

Weight

(lbs/FT)

Chain No.

106

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5-2 A DID flexible chain is a roller chain which can be greatly

bent in the transverse direction, and is suitable for curved

traveling. For the chain, sprockets for JIS/ANSI Standard

Roller Chain can be used. This chain with attachments can

also be used as a conveyor for curved applications.

Connecting link is Cotter type only.

Note: Lateral bending radius shoud be designed being larger than above R in bending operation.

Unit (inch)

Pitch Roller Link

Width

Roller

Dia.

P W

Plate

d1 d2

Pin

E F f


lbslbsT H

Approx.

Weight

(lbs/FT)

Min. lateral bending ra-

diusR

Chain No.

RC40FX 0.500 0.313 0.312 0.156 0.665 0.732 0.409 0.059 0.472 0.409 13.780 3520 418 0.402

RC50FX 0.625 0.375 0.400 0.200 0.815 0.886 0.484 0.079 0.591 0.512 15.748 5500 638 0.691

RC60FX 0.750 0.500 0.469 0.235 1.016 1.118 0606 0.094 0.713 0.614 19.685 7920 902 0.878

RC80FX 1.625 0.500 0.625 0.313 1.331 1.437 0.768 0.126 0.945 0.819 23.622 13860 1562 1.743

107

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5-3

Since the plates are flat, chain guides, etc. are less

susceptible to damage, and a roller chain can also be used

for a conveyor system. (Outer plates are the same as inner

plates in form.)

Note: Please consult with us if desired size is not available in above table.

Note: Those marked with • inticate Bush Chain

Example: Application of Flat Link Plate Roller Chain

Pitch Roller Link

Width Roller

Dia.

P W

Plate

d E

Pin

G T


lbsH

Approx.

Weight

(lbs/FT)

* RC35FR 0.375 0.188 0.200 0.141 0.472 0.516 0.287 0.049 0.354 2530 0.262

RC40FR 0.500 0.313 0.312 0.156 0.650 0.693 0.374 0.059 0.472 4290 0.436

RC50FR 0.625 0.375 0.400 0.200 0.799 0.862 0.457 0.079 0.591 6930 0.771

RC60FR 0.750 0.500 0.469 0.235 1.000 1.059 0.563 0.094 0.713 9900 1.140

RC80FR 1.000 0.625 0.625 0.313 1.283 1.394 0.748 0.126 0.945 17600 1.790

RC100FR 1.250 0.750 0.750 0.376 1.555 1.673 0.894 0.157 1.177 26620 2.810

RC120FR 1.500 1.000 0.875 0.437 1.957 2.087 1.110 0.189 1.413 37400 4.104

P W d E G T lbsH (lbs/FT)Chain No.

Clip type connect-

ing link

(RC60 & smaller)

Cotter type connect-

ing link

(RC80 & larger)

Unit (inch)

Chain No.

108

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6.

When you design any of the various conveyor systems using

a DID small sized roller chain for conveyor systems, the

following basic conditions must be satisfied.

a. Chain tension: The tensile strength acting on the chain

must be positively smaller than the strength of the chain.

b. Strength of loaded components of chain: The loads acting

on attachments, rollers of base chain, top rollers, side

rollers, etc. must be positively smaller than the strength of

these component.

c. Wear resistance life of chain: Lubrication conditions to

ensure a sufficiently long wear life of the chain must be

considered.

In general, at first tentatively determine the chain size to be

used. (For this temporary decision, see “Tentatively determi-

nation of chain size” column. Then, obtain “theoretical chain

tension T” (P. 109) based on the tentatively determined chain,

and multiply it by “speed factor K”, to obtain “substantial chain

tension Ta”. For safety, the substantial chain load must not be

higher than the “maximum allowable load “ stated in the table of

dimensions of respective chain.

Safety condition of chain tension

Theoretical chain tensionT X Speed factor K

If this condition is not satisfied, raise the temporarily decided

chain size by one size and re-calculate.

Tentative determination of chain size

If the running speed of the chain is higher, the service

condition is more severe for the chain. The speed factor

expresses the severity.

Multiply the “theoretical tension” by the “speed factor K”,

to obtain the “substantial chain tension”.

Speed factor K

In the case of resin rollers (including

anti-static rollers), use the chain at

230 FT or less.

Note: When the chain speed exceeds 394 FT, please consult with us.

d. Sag adjustment of chain: The sag of the chain must be

kept optimum by a tensioner, take-up device, or guide,

etc.

e. Others: Prevention of rail wear, prevention of machine

vibration, and other necessary factors must be considered.

General points of the above conditions are described below.

Chain speed (FT/min) Speed factor

6-1

Less than 49 1

49~98 1.2

98~164 1.4

164~230 1.6

230~295 2.2

295~360 2.8

360~394 3.2

1 At first, assume that the mass (weight) ωc {lbs/FT} per

unit length of operational components

such as chain and attachment as 10 % of the mass

(weight) ω1 {lbs/FT} of the conveyed object,

to assume the unit (weight) of the operational

components.

2 From calculation formulas of P. 109, obtain

“theoretical chain tension T” {lbs/FT} and “speed

factor K”, and calculate “substantial chain tension

Ta” {lbs}.

3 In reference to the table of dimensions of chain,

identify the minimum chain, the “maximum allowable

load” of which is not lower than the “ substantial

chain tension Ta”, as the “temporarily decided chain”.

O

O

O

109

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Conveying methodCalculation formulas of theoretical chain tension T

unit Gravitational unit

→

Traveling portion

T = {(W+2.1X cXL) Xf1 Xg

1,000

kW = TXS

54.6X

T = (W+2.1X cXL) Xf1

kW = TXS

30,000X

To convey articles horizontally

with them on the chain.

→

→ L

T = {( 1+ c)XL1Xf1+ 2XL2Xf2

g

1,000

+ ( 1+ c)XL2Xf3+1.1X cXLXf3}

X

kW = TXS

54.6X

T = ( 1+ c)XL1Xf1+ 2XL2Xf2

+ ( 2+ c)XL2Xf3+1.1X 2XL2Xf2}

kW = TXS

30,000X

To convey articles horizontally

for accumulaion

(free from conveyor)

→

→ L

L2

L1

→

→

Accumalating portion→

→

To convey articles vertically.

→

→

V

T = {(W+ cXV) X

kW = WXS

54.6X

g

1,000T = W+ 2XV

kW = WXS

30,000X Note: L = V in this method.

To convey articles on a slope

with them on the chain.

L

V

H

→

→

→

→

T = {(W+ 2XL) X

+1.1X c(HXf1–V)} Xg

1,000

kW = {T+ cX(HXf1–V)}

HXf1+VL

S

54.6X In the above, if H x f1 -V < 0,

then assume H x f1 - V = 0.

In the above, if H x f1 - V > 0,


T = (W+ 2XL) XHXf1+V

L

+1.1X c(HXf1–V)

kW = (T+ cX(HXf1–V) S

30,000 X

To convey articles on a slope

and horizontal surface with

them on the chain.

L 2

V

HL1

→

→

→

→

→

→

→

T = {( +2.1X c) XL2Xf1

+ {( + c) X (HXf1+V)

+1.1X c(HXf1–V)} Xg

1,000

kW = {T+ cX(HXf1–V)} S

54.6X

W

L1+L2

W

L1+L2

In the above, if H x f1 -V < 0,


In the above, if H x f1 - V > 0,


T = ( +2.1X c) XL1Xf1

+ {( + c) X (HXf1+V)

+1.1 cX (HXf1–V)

W

L1+L2

W

L1+L2

kW = {T+ cX(HXf1–V)} S

30,000

kN (lbs)

kg (lbs)

kg/m (lbs/ft)

kg/m (lbs/ft)

kg/m (lbs/ft)m/min (ft/min)

Meanings of symbols.

T : Theoretical chain tension

W : Total mass (total weight) of the conveyor

1 : Mass (weight) of conveyed articles per unit machine length in the traveling portion

1 = Total mass (total weight) of conveyed articles in the traveling portion {kg (or lbs for USA). Length traveling portion

L1 (or ft for USA)}.

2 : Mass (weight) of conveyed articles per unit machine length in the accumulating portion

2 = Total mass (total weight) of conveyed articles in the accumulating portion {kg (or lbs for USA). Length of accumulating

portion L2 (or ft for USA)}.

c : Weight of operating components such as chain and attachments per unit length

S : Chain speed (traveling speed of chain)

: Transmission mechanical efficiency of drive

g : Gravitational acceleration, 9.80665 m/s2

kw : Required power

• As unit symbols, SI units and gravitational units stated together. Parenthesized units are gravitational units. For the weight (lbs)

as the mass (lbs), the same value is used.

• For L, L1, L2, V and H, see the illustrations showing conveying methods.

• For coefficients of friction f1, f2 and f3, see P. 110.

SI units Gravitational units

110

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f1: Coefficient of traveling friction of chain (the coefficient of

friction is decided differently for the following three cases.)

• When the rollers of a chain roll on a rail . . . . . . . . . . .Table 1

• When side rollers roll on a floor . . . . . . . . . . . . . . . . . .Table 2

• When plates slide on a rail as in the case of a flat plate type

chain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table 3

Also, for f1 used for calculation of the traveling portion of a

free flow conveyor, the same values are used.

Table 1

f1 used when the rollers of a chain roll

Kind of chainLubrication

Not provided Provided

Chain with iron rollersS rollers

R rollers{ 0.21

0.12

0.14

0.08

Chain with resin rollers0.12

0.08

Sintered bushing roller chain 0.14

0.08

Table 2f1 used when side rollers roll on a floor

Kind of chain

Chain with iron rollers

Chain with resin rollers

Chain with anti-static resin rollers

Chain with resin rollers and brakes

0.09

0.06

0.06

0.09

0.06

Table 3

f1 used when the plates of a chain slide

(in he case of iron rail)

Without lubrication 0.3 With lubrication 0.2

f2 : Coefficient of friction acting between conveyed articles

and chain in the accumulating portion of a free flow

conveyor (that is, it is a frictional resistance acting when

the side rollers or top rollers roll while being loaded

with conveyed object. Table 4 shows the values.)

Table 4

Kind of side rollers or

top rollers

Value of f2

Without

lubrication

With

lubrication

Iron rollers

Resin rollers

Anti-static resin rollers

Resin rollers with brakes

0.09

0.06

0.06

0.09

0.06

––

S rollers

R rollers{

S rollers

R rollers{

Lubrication

Not provided Provided

––

––

111

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6-2 The load of conveyed articles act on the attachments, top

rollers, side rollers, etc. of a chain. Confirm that the strength

of these load components is sufficient.

Various strength calculation methods are available for various

chain use methods. Only the allowable loads of rollers of the

base chain proper, top rollers and side rollers are shown.

6-3 Wear Life of Small Sized Roller Chain

When wear of a chain cannot be avoided, the chain is a

consumable product. However, if lubrication is practiced as

much as possible, and if the calculation of 6-1 and 6-2 is

practiced very carefully, there will be no practical problem.

See the maintenance of transmission chain (P. 73). If chain

elongation occurs frequently, we recommend selection of the

Ultimate Life Chain Series.

6-4

See “Installation, Adjustment and Maintenance (P. 70)

Chain No. Roller of base chain Top roller Side roller

Iron Resin Iron Resin Iron Resin

RC40 156 (35.2) _____ _____ 156 (35.2) 49 (11) 156 (35.2) 49 (11)

RC2040 156 (35.2) _____ _____ 156 (35.2) 49 (11) 156 (35.2) 49 (11)

RC2042 627 (140.8) 196 (44) 156 (35.2) 49 (11) 156 (35.2) 117 (26.4)

RC50 225 (50.6) _____ _____ 225 (50.6) 68 (15.4) 225 (50.6) 68 (15.4)

RC2050 225 (50.6) _____ _____ 225 (50.6) 68 (15.4) 225 (50.6) 68 (15.4)

RC2052 989 (215.6) 294 (66) 225 (50.6) 68 (15.4) 225 (50.6) 137 (30.8)

RC60 372 (83.6) _____ _____ 372 (83.6) 107 (24.2) 372 (83.6) 107 (24.2)

RC2060H 372 (83.6) _____ _____ 372 (83.6) 107 (24.2) 372 (83.6) 107 (24.2)

RC2062H 1530 (345.4) 490 (110) 372 (83.6) 107 (24.2) 372 (83.6) 156 (35.2)

RC80 627 (140.8) _____ _____ 627 (140.8) 176 (39.6) 627 (140.8) 176 (39.6)

RC2080H 627 (140.8) _____ _____ 627 (140.8) 176 (39.6) 627 (140.8) 176 (39.6)

RC2082H 2540 (572) 882 (198) 627 (140.8) 176 (39.6) 627 (140.8) _____ _____

RC100 912 (204.6) _____ _____ 912 (204.6) 294 (66) 912 (204.6) 294 (66)

RC2100H 912 (204.6) _____ _____ 912 (204.6) 294 (66) 912 (204.6) 294 (66)

RC2102H 3660 (822.8) 1270 (286) 912 (204.6) 294 (66) 912 (204.6) _____ _____

Unit N(lbs)

112

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Specialty Roller Chain

Motorcycle Drive Chain

Steel Handling Conveyor Systems

Bulk Handling Conveyor Systems

Material Handling Conveyor Systems

Control System of the Conveyor Systems

Coil Conveyors

Walking-Beams

Transfer Conveyors

Roller Tables

Down/Up Enders

Coil Car (CROSLOADER)

Transport Equipment

Bucket Elevator (NE Type: Normal Speed Type)

Bucket Elevator (NSE Type: High Speed Type)

Belt-Bucket Elevators

AEROBELT (Air Film Supported Belt Conveyor)

Continuous Flow Conveyors

Dust Conveyors

Pan Conveyors

Long Pan Conveyors

Apron Conveyors

Chain/Apron Feeders

Drag-Chain Conveyors

MOCVEYOR (Bulk Transport Conveyor for Adhesive Materials)

Auto-Motors (Auto Monorail Conveyor)

Power-And-Free Conveyors

Trolley Conveyor Systems

Drop/Table Lifters

Slat Conveyors

Tow-Line Conveyor Systems

Roller Conveyors

Free Flow Conveyors

Transport Systems for Garbage Transaction Plants

Other Transport Systems

Safety Relay

Anti-Back Equipment

Take-Up Equipment

Various Casting

One Touch Window for Inspection (Dr. Window®)

Motorcycle Light Alloy Rims

Motorcycle Steel Rims

Motorcycle Spokes

Wheels for Agricultural Machinery

Wheels for Industrial Machinery

Small-Sized Wheels for Scooters

Motorcycle Aluminum-Alloy Swing Arms

Aluminum Forming Products

Aluminum Welding Products

Aluminum Chrome Plating Products

Surface Treated Products

Stair Lifts for Wheel Chairs “JD Escal”

Stair Lifts for Wheel Chairs “Rakuchin-Go”

Tortilla Chain• Sizes 40, 50, 60, 40-2, 50-2

• Sizes C2052, C2062H, C2082H

• Various attachments & hole diameters

• C2060H with D5 Extended Pin

• Both 1\2” & 9\16” pin diameters available

• For wire belt conveyors

• Sizes 2050, 2060H, 2080H

• Large Roller sizes 2052, 2062H, 2082H

• Patented X-Ring, O-Ring or Standard Chain

• Patented Spring Loaded Tip

• Solid Bushings

• For use in temperatures to 425°F

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RC25 14

RC25-2 14

RC25-3 14

RC25-4 14

RC25-5 14

RC35 15

RC35-2 15

RC35-3 15

RC35-4 15

RC35-5 15

RC41 16

RC40 17

RC40-2 17

RC40-3 17

RC40-4 17

RC40-5 17

RC50 18

RC50-2 18

RC50-3 18

RC50-4 18

RC50-5 18

RC60 19

RC60-2 19

RC60-3 19

RC60-4 19

RC60-5 19

RC80 20

RC80-2 20

RC80-3 20

RC80-4 20

RC80-5 20

RC100 21

RC100-2 21

RC100-3 21

RC100-4 21

RC100-5 21

RC120 22

RC120-2 22

RC120-3 22

RC120-4 22

RC120-5 22

RC140 23

RC140-2 23

RC140-3 23

RC140-4 23

RC140-5 23

RC160 24

RC160-2 24

RC160-3 24

RC160-4 24

RC160-5 24

RC180 25

RC180-2 25

RC180-3 25

RC180-4 25

RC180-5 25

RC200 26

RC200-2 26

RC200-3 26

RC200-4 26

RC200-5 26

RC240 27

RC240-2 27

RC240-3 27

RC240-4 27

RC240-5 27

RA2040 28

RA2050 28

RA2060 28

RA2080 28

RA2100 28

RA2120 28

RC60H 28

RC80H 28

RC100H 28

RC120H 28

RC140H 28

RC160H 28

RC200H 28

RC240H 28

RC80K 29

RC100K 29

RC120K 29

RC140K 29

RC160K 29

RC180K 29

RC200K 29

RC240K 29

RC80KSR 31

RC80KSR-2 31

RC80KSR-3 31

RC100KSR 32

RC100KSR-2 32

RC100KSR-3 32

RC120KSR 33

RC120KSR-2 33

RC120KSR-3 33

RC140KSR 34

RC140KSR-2 34

RC140KSR-3 34

RC160KSR 35

RC160KSR-2 35

RC160KSR-3 35

RC180KSR 36

RC180KSR-2 36

RC180KSR-3 36

RC200KSR 37

RC200KSR-2 37

RC200KSR-3 37

RC240KSR 38

RC240KSR-2 38

RC240KSR-3 38

RC50HK 39

RC60HK 39

RC80HK 40

RC80HK-2 40

RC80HK-3 40

RC100HK 40

RC100HK-2 40

RC100HK-3 40

RC120HK 40

RC120HK-2 40

RC120HK-3 40

RC140HK 40

RC140HK-2 40

RC140HK-3 40

RC160HK 40

RC160HK-2 40

RC160HK-3 40

RC180HK 40

RC180HK-2 40

RC180HK-3 40

RC200HK 40

RC200HK-2 40

RC200HK-3 40

RC240HK 40

RC240HK-2 40

RC240HK-3 40

RC80HKSR 41

RC100HKSR 41

RC120HKSR 41

RC140HKSR 41

RC160HKSR 41

RC180HKSR 41

RC200HKSR 41

RC240HKSR 41

RC25HT 44

RC35T 44

RC40D 44

RC50D 44

RC60D 44

RC80D 44

RC100D 44

RC25R-DHA 45

RC35R-DHA 45

RC41R-DHA 45

RC40R-DHA 45

RC50R-DHA 45

RC60R-DHA 45

RC35LLDR 47

RC40LLDR 47

RC50LLDR 47

RC60LLDR 47

RC80LDR 47

RC100LDR 47

RC120LDR 47

RC140LDR 47

RC160LDR 47

RC200LDR 47

RC240LDR 47

06BLDR 48

08BLDR 48

10BLDR 48

12BLDR 48

16BLDR 48

06NLDR 48

08NLDR 48

10NLDR 48

12NLDR 48

RC40UR 49

RC40URN 49

RC50UR 49

RC50URN 49

RC60UR 49

RC60URN 49

RC80UR 49

RC80URN 49

RC25N 53

RC35N 53

RC41N 53

RC40N 53

RC50N 53

RC60N 53

RC80N 53

RC100N 53

RC120N 53

RC140N 53

RC160N 53

RC25-E 54

RC35-E 54

RC40-E 54

RC50-E 54

RC60-E 54

RC80-E 54

RC100-E 54

RC120-E 54

RC40-WE 54

RC50-WE 54

RC60-WE 54

RC80-WE 54

RC100R-WE 54

RC120R-WE 54

RC40R-TK 54

RC50R-TK 54

RC60-TK 54

RC80-TK 54

RC100-TK 54

RC120-TK 54

RC140-TK 54

RC160-TK 54

RC25SSR 55

RC35SSR 55

RC40SSR 55

RC50SSR 55

RC60SSR 55

RC80SSR 55

RC100SSR 55

RC120SSR 55

RC140SSR 55

RC160SSR 55

RC200SSR 55

RC40SR 55

RC50SR 55

RC60SR 55

RC80SR 55

RC100SR 55

RC40SLN 56

RC50SLN 56

RC60SLN 56

RC80SLN 56

RC65 59

RC65L 59

RC15 60

RC15H 60

RC25 60

RC25H 60

RC25T 60

RC35 60

RC35T 60

AL422 61

AL444 61

AL466 61

AL522 61

AL544 61

AL566 61

AL588 61

AL622 61

AL644 61

AL666 61

AL688 61

114

RO

LLER

CH

AIN

&

DO

UB

LE P

ITC

H C

HA

IN

FO

R C

ON

VEY

OR

SY

STEM

AL822 61

AL844 61

AL866 61

AL888 61

AL1022 61

AL1044 61

AL1066 61

AL1088 61

AL1222 61

AL1244 61

AL1266 61

AL1288 61

AL1444 61

AL1466 61

AL1644 61

AL1666 61

BL423 61

BL434 61

BL446 61

BL466 61

BL523 61

BL534 61

BL544 61

BL546 61

BL566 61

BL623 61

BL634 61

BL644 61

BL646 61

BL666 61

BL823 61

BL834 61

BL844 61

BL846 61

BL866 61

BL1023 61

BL1034 61

BL1044 61

BL1066 61

BL1223 61

BL1234 61

BL1246 61

BL1423 61

BL1434 61

BL1446 61

BL1623 61

BL1634 61

BL1646 61

04B 63

05B 63

05B-2 63

06B 63

06B-2 63

06B-3 63

08B 63

08B-2 63

08B-3 63

10B 63

10B-2 63

10B-3 63

12B 63

12B-2 63

12B-3 63

16B 63

16B-2 63

16B-3 63

20B 63

20B-2 63

20B-3 63

24B 63

24B-2 63

24B-3 63

RC2040 85

RC2042 85

RC2050 85

RC2052 85

RC2060H 85

RC2062H 85

RC2080H 85

RC2082H 85

RC2100H 85

RC2102H 85

RC2120H 85

RC2122H 85

RC2160H 85

RC2162H 85

RC25 89

RC35 89

RC41 89

RC40 89

RC50 89

RC60 89

RC80 89

RC100 89

RC120 89

RC140 89

RC160 89

RC200 89

RC40 90

RC50 90

RC60 90

RC80 90

RC100 90

RC2040 91

RC2042 91

RC2050 91

RC2052 91

RC2060H 91

RC2062H 91

RC2080H 91

RC2082H 91

RC2100H 91

RC2102H 91

RC2120H 91

RC2122H 91

RC2160H 91

RC2162H 91

RC40LLDR 92

RC50LLDR 92

RC60LLDR 92

RC80LDR 92

RC100LDR 92

RC2040LLDR 93

RC2042LLDR 93

RC2050LLDR 93

RC2052LLDR 93

RC2060HLLDR 93

RC2062HLLDR 93

RC40UR 94

RC40URN 94

RC50UR 94

RC50URN 94

RC60UR 94

RC60URN 94

RC80UR 94

RC80URN 94

RC2040UR 95

RC2042UR 95

RC2050UR 95

RC2052UR 95

RC2060HUR 95

RC2062HUR 95

RC2080HUR 95

RC2082HUR 95

RC2040URN 95

RC2042URN 95

RC2050URN 95

RC2052URN 95

RC2060HURN 95

RC2062HURN 95

RC2080HURN 95

RC2082HURN 95

RC25SSR 96

RC35SSR 96

RC40SSR 96

RC50SSR 96

RC60SSR 96

RC80SSR 96

RC100SSR 96

RC25SR 96

RC35SR 96

RC40SR 96

RC50SR 96

RC60SR 96

RC80SR 96

RC100SR 96

RC2040SSR 97

RC2042SSR 97

RC2050SSR 97

RC2052SSR 97

RC2060HSSR 97

RC2062HSSR 97

RC2080HSSR 97

RC2082HSSR 97

RC2040SR 97

RC2042SR 97

RC2050SR 97

RC2052SR 97

RC2060HSR 97

RC2062HSR 97

RC2080HSR 97

RC2082HSR 97

RC40-TR 99

RC50-TR 99

RC60-TR 99

RC80-TR 99

RC100-TR 99

RC40-2P-TR 99

RC50-2P-TR 99

RC60-2P-TR 99

RC80-2P-TR 99

RC100-2P-TR 99

RC40-2-2PTR-F 100

RC50-2-2PTR-F 100

RC60-2-2PTR-F 100

RC80-2-2PTR-F 100

RC100-2-2PTR-F 100

RC2040-TR 101

RC2042-TR 101

RC2050-TR 101

RC2052-TR 101

RC2060H-TR 101

RC2062H-TR 101

RC2080H-TR 101

RC2082H-TR 101

RC2100H-TR 101

RC2102H-TR 101

RC40HP 105

RC50HP 105

RC60HP 105

RC2040HP 105

RC2042HP 105

RC2050HP 105

RC2052HP 105

RC2060HP 105

RC2062HP 105

RC2080HP 105

RC2082HP 105

RC40FX 106

RC50FX 106

RC60FX 106

RC80FX 106

RC35FR 107

RC40FR 107

RC50FR 107

RC60FR 107

RC80FR 107

RC100FR 107

RC120FR 107

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